Apparatus for Projecting Motion-Pictures. (open access)

Apparatus for Projecting Motion-Pictures.

Patent for an improvement to motion picture projectors that lowers the operating speed, thus reducing the amount of film needed for movies, and eliminates flickers in the projection. This patent includes instructions and illustrations.
Date: November 27, 1917
Creator: Craig, Richard M.
Object Type: Patent
System: The Portal to Texas History
Composition for Sealing Tire-Punctures and the Like. (open access)

Composition for Sealing Tire-Punctures and the Like.

Patent for sealing tire punctures consisting of the extract obtained from boiling guayule and candelilla plants in water to which is added asbestos and fullers' earth.
Date: November 27, 1917
Creator: Garza, Ricardo
Object Type: Patent
System: The Portal to Texas History
Highway for Grade-Crossings. (open access)

Highway for Grade-Crossings.

Patent for highway-railroad grade crossing designed to slow the flow of traffic as it crosses an intersecting railway.
Date: September 27, 1921
Creator: Carter, Kenneth Wilson
Object Type: Patent
System: The Portal to Texas History
Phonograph-Needle. (open access)

Phonograph-Needle.

Patent for a phonograph needle "which is simple in construction, inexpensive to manufacture, and may be used in connection with phonograph records of different types" (lines 18-21). The needle has a flexible shank (in multiple forms) for improved audio quality, and it accommodates various tip styles for use with many brands of phonograph records.
Date: September 27, 1921
Creator: Fletcher, Theodore
Object Type: Patent
System: The Portal to Texas History
Lock. (open access)

Lock.

Patent for "locking the control pedals of a motor vehicle from movement in either direction, the said lock being arranged between the pedals and arranged to simultaneously engage and lock both" (lines 9-14).
Date: February 27, 1919
Creator: Cameron, Robert G.
Object Type: Patent
System: The Portal to Texas History
Process for Treating Cotton-Seed (open access)

Process for Treating Cotton-Seed

Patent for "new and useful Improvements in Processes for Treating Cotton-Seed"(lines 6-8), which expresses oil from cotton and neutralizes it with "alkali... and precipitating solid matter"(lines 26-27).
Date: May 27, 1919
Creator: Fee, Horatio A. & Aeveaenes, Garciea H.
Object Type: Patent
System: The Portal to Texas History
Paper-Cutting Machine. (open access)

Paper-Cutting Machine.

Patent for an improved paper cutting machine that can achieve more precise cuts for labels, paper boxes, and cartons, and also has a clamping mechanism to hold the paper in place.
Date: July 27, 1920
Creator: Downie, James H.
Object Type: Patent
System: The Portal to Texas History
Method of Condensing a Vapor in a Natural Gas (open access)

Method of Condensing a Vapor in a Natural Gas

Patent for Method of Condensing a Vapor in a Natural Gas. The purpose is to remove condensation and other wet gases from oil wells.
Date: May 27, 1918
Creator: Duffy, James T.
Object Type: Patent
System: The Portal to Texas History
Blade-Holder (open access)

Blade-Holder

Patent for a new and useful improvements to a blade holder. It can hold any form of razor blades can be securely held and easily released. The holder allows blades to be inserted safely and then hold blades firmly into place.
Date: September 27, 1921
Creator: Lightfoot, Roy L.
Object Type: Patent
System: The Portal to Texas History
Hose-Washer. (open access)

Hose-Washer.

Patent for improvement in efficiency of hose washers. Patent helps to prevent accidental detachment of a hose via the use of a "resilient wire" designed to strengthen the connection. Citation: Calvert, Walter Riley. Hose-Washer., patent, April 27, 1915; [Washington D.C.]. University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; crediting UNT Libraries Government Documents Department.
Date: April 27, 1915
Creator: Calvert, Walter Riley
Object Type: Patent
System: The Portal to Texas History
Ice-Cream-Freezer Holder. (open access)

Ice-Cream-Freezer Holder.

Patent for a new ice cream freezer holder to be placed at the bottom of a freezer during the freezing process, including illustrations.
Date: January 27, 1914
Creator: Toepperwein, Ferdinand L.
Object Type: Patent
System: The Portal to Texas History
Lantern. (open access)

Lantern.

Patent for an "improved lantern for switchmen and other railroad men for use in signaling and the like, and which is susceptible of being used for prolonged signals without extinguishing the flame and which is not liable to be accidentally blown out by a strong wind or current of air either" (lines 10-16).
Date: May 27, 1913
Creator: Moore, Thomas L.
Object Type: Patent
System: The Portal to Texas History
Texas Attorney General Open Records Letter Ruling: OR2000-0301 (open access)

Texas Attorney General Open Records Letter Ruling: OR2000-0301

Document issued by the Open Records Division at the Office of the Attorney General of Texas in Austin, Texas, providing an informal interpretation of Texas law related to a request for evidence obtained from a fire scene.
Date: January 27, 2000
Creator: Texas. Attorney-General's Office.
Object Type: Letter
System: The Portal to Texas History
Bexar County Long Range Financial Forecast: FY 1999-2000 through FY 2003-2004 (open access)

Bexar County Long Range Financial Forecast: FY 1999-2000 through FY 2003-2004

Long range financial forecast provides information to help decision-makers plan for the future financial needs of Bexar County; takes current expenditure levels, known cost increases, one-time expenses and inflation, and forecasts the effects of these factors on the County's financial condition for fiscal years 1999 through 2003.
Date: July 27, 1999
Creator: Bexar County (Tex.). Commissioners Court.
Object Type: Book
System: The Portal to Texas History
Combined Wire and Wireless Telephone System. (open access)

Combined Wire and Wireless Telephone System.

Patent for a combined wire and wireless telephone system that allows 2 people who are calling through two different central operating stations to talk to each other even though there is no wire directly between the 2 parties, through the use of a wireless system.
Date: June 27, 1911
Creator: Johnson, Maurice Bernays
Object Type: Patent
System: The Portal to Texas History
Box for Carrying Wireless Signalling Apparatus (open access)

Box for Carrying Wireless Signalling Apparatus

Patent for a box for carrying wireless signaling equipment that fits the equipment well and has a handle or strap for carrying the box with.
Date: June 27, 1911
Creator: Johnson, Maurice Bernays
Object Type: Patent
System: The Portal to Texas History
Combined Wire and Wireless Telegraph System. (open access)

Combined Wire and Wireless Telegraph System.

Patent for a combined wire and wireless telephone system that has a wireless system in between two wired systems.
Date: June 27, 1911
Creator: Johnson, Maurice Bernays
Object Type: Patent
System: The Portal to Texas History
Bottle (open access)

Bottle

Patent for a bottle. Illustration included.
Date: December 27, 1904
Creator: Marion, John B.
Object Type: Patent
System: The Portal to Texas History
Blind-Slat Adjustor (open access)

Blind-Slat Adjustor

Patent for a blind slat adjuster which can hold the blinds in a variety of different positions.
Date: July 27, 1909
Creator: Hermann, Ernst W. F.
Object Type: Patent
System: The Portal to Texas History
Wireless-Telephone System. (open access)

Wireless-Telephone System.

Patent for a wireless telephone system that does not require the user to flip a switch in between receiving and sending a message.
Date: June 27, 1911
Creator: Johnson, Maurice Bernays
Object Type: Patent
System: The Portal to Texas History
Window-Screen (open access)

Window-Screen

Patent for "a new and improved window-screen which is simple and durable in construction, very effective in operation, and arranged to permit of readily placing the screen in position on the window or removing it therefrom and without requiring special runs or guideways and to allow of using the screen either inside or outside of the window, as desired" (lines 8-16)
Date: November 27, 1900
Creator: Holden, Elbridge G.
Object Type: Patent
System: The Portal to Texas History
Locking System for Jail-Doors (open access)

Locking System for Jail-Doors

Patent for locking system for jail doors where locks of a series of cell doors can be operated simultaneously.
Date: January 27, 1903
Creator: Youngblood, David Franklin
Object Type: Patent
System: The Portal to Texas History
Inhaler (open access)

Inhaler

Patent for an inhaler. Illustrations included.
Date: August 27, 1912
Creator: White, George W.
Object Type: Patent
System: The Portal to Texas History
Spark-Gap Muffler. (open access)

Spark-Gap Muffler.

Patent for a spark gap muffler that muffles the sound of a spark jumping a gap between wires in wireless telephone and telegraph systems.
Date: June 27, 1911
Creator: Johnson, Maurice Bernays
Object Type: Patent
System: The Portal to Texas History