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Boll-Weevil Device. (open access)

Boll-Weevil Device.

Patent for a cost-effective device that can remove and exterminate parasites from cotton as it's being harvested without damaging the cotton itself, including illustrations.
Date: December 28, 1920
Creator: Reeder, Leonard F. & Jackson, Walter B.
System: The Portal to Texas History
Boring-Tool. (open access)

Boring-Tool.

Patent for "a boring tool for boring scarred and worn engine cylinders" (lines 14-15) that allows for more customization when cutting.
Date: January 4, 1921
Creator: Adams, George Reese.
System: The Portal to Texas History
Cane-Stripper. (open access)

Cane-Stripper.

Patent for a wooden sugarcane stripper with two cutting blades that "reduces to a minimum the liability of damage being done to the stalks during the stripping operation" (p. 2, lines 21-24), including illustrations.
Date: November 30, 1920
Creator: Knowlton, Ida E.
System: The Portal to Texas History
Antileak Composition. (open access)

Antileak Composition.

Patent for improvements in antileak composition in order to prevent leaks in liquid holding containers like radiators, boilers, etc.
Date: July 5, 1921
Creator: Shrum, Will N.
System: The Portal to Texas History
Blackboard. (open access)

Blackboard.

Patent for a rotating blackboard that can be covered when not in use, as well as adjusted to different heights and locked into place so the writer can utilize every available space of the blackboard. The inventor designed the blackboard "for use in schools and brokerage offices."
Date: March 8, 1921
Creator: Grothaus, Julia
System: The Portal to Texas History
Check-Writer. (open access)

Check-Writer.

Patent for an automatic bank check writer that will type out the name of the payee and other figures. Rotatable type cylinders, a foot presser, and additional adjustable character dials are included in the invention objects.
Date: May 18, 1920
Creator: Wendelken, Charles
System: The Portal to Texas History
Auxiliary Door-Lock (open access)

Auxiliary Door-Lock

Patent for an auxiliary door lock, that may be used with any type of door, and that is portable, with illustrations.
Date: March 2, 1920
Creator: Shirley, William Arthur
System: The Portal to Texas History
Apparatus for Building Concrete Structures. (open access)

Apparatus for Building Concrete Structures.

Patent for an apparatus for building concrete structures that includes the method or process of erection.
Date: November 14, 1922
Creator: Sands, Edward E.
System: The Portal to Texas History
Adjustable Device for Dressing Down Bearings (open access)

Adjustable Device for Dressing Down Bearings

Patent for a tool that dresses down bearings. Railroad engine journals and their corresponding bearings show wear over time. When replacing bearings into such a journal, without adaptation of the bearing there will be an improper fit, resulting in "hot journals" or "hot boxes". This tool adapts a bearing to a proper fit for the journal into which it will be installed.
Date: December 12, 1922
Creator: Mitchell, William A.
System: The Portal to Texas History
Building Construction (open access)

Building Construction

Patent for building construction that is new and a useful improvement to sleeping porch construction.
Date: March 14, 1922
Creator: Trost, Henry Charles
System: The Portal to Texas History
Collar Fastener or Clasp (open access)

Collar Fastener or Clasp

Patent for a fastener to hold the flaps of a collar securely.
Date: June 21, 1921
Creator: Kelly, Orson N.
System: The Portal to Texas History
Apparatus for Separating or Concentrating Ores (open access)

Apparatus for Separating or Concentrating Ores

Patent for improvements in apparatus for separating or concentrating ores through a flotation method.
Date: August 31, 1920
Creator: Cole, David
System: The Portal to Texas History
CANAL-GATE. (open access)

CANAL-GATE.

Patent for an improvement to canal-gates that is "a simple and comparatively inexpensive contrivance for receiving a handle of the shank of a handle which is attached to the lock or gate" (lines 18-22) including an illustration.
Date: March 9, 1920
Creator: Perry, Charles Franklin
System: The Portal to Texas History
Adjustable Footrest. (open access)

Adjustable Footrest.

Patent for an improved, adjustable foot rest that allows for more adjustments and range of motion "to any desired position for the comfort of the user" (lines 13-14), and is secured to the floor.
Date: April 20, 1920
Creator: Kingsford, Walter E.
System: The Portal to Texas History
Automobile-Tilting Machine. (open access)

Automobile-Tilting Machine.

Patent for new and improved automobile jack that facilitates secured access to repair the underside of the automobile, including illustrations. Jack consists of a large frame, part of which is curved for tilting, water adjustable weight counterbalance, and wheel locking channels.
Date: March 23, 1920
Creator: Weimar, Fritz
System: The Portal to Texas History
Combined Stool and Table (open access)

Combined Stool and Table

Patent for a combined stool and table that can be folded and is portable for use in cars or at picnics; includes "knife, fork and spoon compartments" (line 25).
Date: February 22, 1921
Creator: Lewis, Charles E.
System: The Portal to Texas History
Button-Fastener. (open access)

Button-Fastener.

Patent for a button fastener for clothing that is not liable to damage cloth.
Date: May 4, 1920
Creator: Taylor, Albert Joshua
System: The Portal to Texas History
Collapsible Tent. (open access)

Collapsible Tent.

Patent for improving collapsible tent rods and corner posts that support the structure, with illustrations.
Date: March 30, 1920
Creator: Hackfield, Arnold W.
System: The Portal to Texas History
Blow-Out Shoe. (open access)

Blow-Out Shoe.

Patent for a new blow-out shoe for pneumatic tires which uses a pliable fastening instead of metallic connections or laces.
Date: January 4, 1921
Creator: Moore, Lee, R.
System: The Portal to Texas History
Book-Holding Device (open access)

Book-Holding Device

Patent for a book-holding device that will keep books open by holding back turned pages, with illustrations.
Date: April 20, 1920
Creator: Barry, David Redmond
System: The Portal to Texas History
Combination Fan, Score Card, and Megaphone (open access)

Combination Fan, Score Card, and Megaphone

Patent for a Combination Fan, Score Card, and Megaphone that combines all of the previous items into one and can be easily and cheaply mass-produced for commercial sale.
Date: March 2, 1920
Creator: Asano, George K.
System: The Portal to Texas History
Antifreezing Appliance for Water-Pipes. (open access)

Antifreezing Appliance for Water-Pipes.

Patent for anti-freezing appliance for water supply and drain pipes of residences and buildings. The object is provide a device connected with the main and service lines of a hours supply water system for the purpose of avoiding interfering with the operation of the service.
Date: January 20, 1920
Creator: Davis, Thomas A.
System: The Portal to Texas History
Banjo. (open access)

Banjo.

Patent for facilitating the safe packing, storage, and shipment of banjos and other similar musical instruments, including one illustration.
Date: September 14, 1920
Creator: Brown, Norman
System: The Portal to Texas History
Carbureter (open access)

Carbureter

Patent for the carbureter for controlling the quality of the combustible mixture for internal combustion engines, such as automobiles requiring a wide range of variation in the proportion of fuel and air to efficiently and economically supply the demand.
Date: January 13, 1920
Creator: Guthrie, William S.
System: The Portal to Texas History