Automobile-Signal. (open access)

Automobile-Signal.

Patent for turn signal improvements with an aim to improve visibility of signal and ease of replacement with the goal of communicating vehicular movement and reducing accidents.
Date: November 15, 1921
Creator: Squier, William Ernest
System: The Portal to Texas History
Aeroplane. (open access)

Aeroplane.

Patent for aeroplane construction to include improvements to air motor protection to minimize resistance and the use of air cups to direct the full force of air to the motor shaft, including illustrations.
Date: November 15, 1921
Creator: Smith, Joseph A.
System: The Portal to Texas History
Coin-Wrapping Device. (open access)

Coin-Wrapping Device.

Patent for a coin wrapper (primarily used in banks) that uses a strip of carbon paper to create an imprint of the coins contained inside, which will remain after the coins are removed. The purpose of this is to create a record of the original number of coins to facilitate their counting and verification.
Date: November 15, 1921
Creator: Mohr, Arthur D.
System: The Portal to Texas History
Well-Drill Wrench. (open access)

Well-Drill Wrench.

Patent for a well drill wrench that improves upon William Ellinger's patent 1,327,379, issued January 6, 1920. This improvement eliminates friction between the rotatable and stationary parts of the wrench and ensures that the rotatable part is fully supported during its entire rotation, "as when screwing or unscrewing the drill bit" (lines 109-110).
Date: November 15, 1921
Creator: Ellinger, William H.
System: The Portal to Texas History
Axle Lubricator. (open access)

Axle Lubricator.

Patent for axle lubricator. This invention makes it so that manual lubrication of spindles is eliminated.
Date: November 15, 1921
Creator: Bass, Thomas G.
System: The Portal to Texas History
Snowplow. (open access)

Snowplow.

Patent for a new snowplow design for use at the front of a motor vehicle, steam car, or electric car. The snowplow is triangular in shape, and has sides that can be adjusted vertically, to increase the height of the plow.
Date: November 15, 1921
Creator: Jezova, Mary
System: The Portal to Texas History
Steering Attachment for Automobiles (open access)

Steering Attachment for Automobiles

Patent for a steering attachment for automobiles, more specifically automobiles of Ford. This invention helps to provide stiffer friction for the steering wheel which provides stability when the driver no longer has a grip on the steering wheel. This helps keep the steering wheel from veering off and stays on track.
Date: November 15, 1921
Creator: Balmos, Edward J.
System: The Portal to Texas History
Cotton-Cleaner and Boll-Breaker. (open access)

Cotton-Cleaner and Boll-Breaker.

Patent for cotton cleaning and boll-breaking apparatus that simplifies assembling, disassembling, and adjusting parts. The apparatus uses a suction that feeds the material into the rotating blades for cleaning. Special features include removable screen frames, refuse collecting pockets, and replaceable blades.
Date: November 15, 1921
Creator: Stacy, Grover C.
System: The Portal to Texas History