Advertising Street Car Sign (open access)

Advertising Street Car Sign

Patent for an advertisement sign located on the top of street cars. Illustration included.
Date: February 11, 1908
Creator: King, Alphonse
System: The Portal to Texas History
Locomotive-Pilot Coupling (open access)

Locomotive-Pilot Coupling

Patent for new and useful improvements in locomotive-pilot couplings (lines 5-6), including illustrations and instructions.
Date: February 8, 1900
Creator: Butcher, George W.
System: The Portal to Texas History
Key. (open access)

Key.

Patent for a key, which can be produced in quantity but without any of them being able to open the same door.
Date: February 4, 1908
Creator: Katzenberger, Oscar
System: The Portal to Texas History
Lock (open access)

Lock

Patent for a lock. This invention is a design of door lock that uses a key and combination. Illustration included.
Date: February 12, 1907
Creator: Katzenberger, Oscar
System: The Portal to Texas History
Upholstered Furniture (open access)

Upholstered Furniture

Patent for "new and useful improvements in upholstered furniture", (lines 5-6), including illustration and instructions.
Date: February 19, 1900
Creator: Conrad, J. B.
System: The Portal to Texas History
Padlock. (open access)

Padlock.

Patent for a padlock, which can only be opened with a certain key and prevents the use of many lock-picking devices.
Date: February 4, 1908
Creator: Katzenberger, Oscar
System: The Portal to Texas History
Hay Press (open access)

Hay Press

Patent for a hay press. This invention is a form of baling press that operates on a continuously reciprocated as hay is fed into the press chamber. Illustrations included.
Date: February 20, 1906
Creator: Lorenz, Alexander & Illg, William J.
System: The Portal to Texas History
Refrigerating Apparatus (open access)

Refrigerating Apparatus

Patent for a refrigerating apparatus. This invention is a coil composed of two pipes of different diameters placed inside of each other acting as a condensing agent. Illustration included.
Date: February 12, 1907
Creator: Holdgreen, Julius H.
System: The Portal to Texas History
Folding Cot. (open access)

Folding Cot.

Patent for a new and useful folding cot, including instructions and illustrations.
Date: February 13, 1900
Creator: Hutchinson, Searcy T.
System: The Portal to Texas History
Elevator-Controller. (open access)

Elevator-Controller.

Patent for improvements to elevator-controllers, related "to a hand-power rope-elevator equipped with electrical operating mechanism and means whereby the elevator may be quickly and effectually controlled either automatically or manually" (lines 11-15), including illustrations.
Date: February 5, 1901
Creator: Dubinski, Benjamin
System: The Portal to Texas History
Dumping-Cart (open access)

Dumping-Cart

Patent for a dumping cart with a body that locks to the frame, but can be released quickly to dump materials via two toggle arms connected to a crank handle. Including illustrations and instructions.
Date: February 25, 1903
Creator: Davis, Frank C.
System: The Portal to Texas History
Educational Device. (open access)

Educational Device.

Patent for improvements in educational device by providing “a simple and comparatively inexpensive one designed for teaching addition, multiplication, subtraction, and division and capable of enabling the same to be explained with greater ease and at the expenditure of much less energy of both pupil and teacher.” (Lines 12-18) Illustration is included.
Date: February 10, 1903
Creator: Williams, Willoughby Columbus
System: The Portal to Texas History
Cotton-Gin (open access)

Cotton-Gin

Patent for a new and improved cotton-gin, where the rollers, feed devices, and blades will be vertically disposed and arranged in groups, and which will also simplify the construction of cotton-gins.
Date: February 19, 1901
Creator: Wentworth, William Henry
System: The Portal to Texas History
Garbage-Burner. (open access)

Garbage-Burner.

Patent for a garbage incinerator, which has a rotating grate to speed up the evaporation of moisture from the garbage and produce quicker burning.
Date: February 2, 1909
Creator: Burwell, John A.
System: The Portal to Texas History
Dental Handpiece (open access)

Dental Handpiece

Patent for a dental hand piece for dental tools so that they may be held or rotated at an angle relative to the hand piece. Illustrations included.
Date: February 2, 1909
Creator: Mayes, Robert Martin
System: The Portal to Texas History