Universal Lock and Latch. (open access)

Universal Lock and Latch.

Patent for an improved lock and latch system that can be utilized on either the left or right side of a door. The improved design is constructed using the minimum number of materials while remaining durable.
Date: September 14, 1920
Creator: Schultze, August J.
System: The Portal to Texas History
Spring-Wheel. (open access)

Spring-Wheel.

Patent for new improvements for Spring-Wheels "in which the springs are rigidly secured to the hub portion and pivotally connected with the rim portion" (lines 10-12) including construction and illustrations.
Date: June 29, 1920
Creator: Rozankovich, Thomas
System: The Portal to Texas History
Automobile-Engine Hood and Drain-Trough Therefor. (open access)

Automobile-Engine Hood and Drain-Trough Therefor.

Patent for the creation of "an improved automobile hood and particularly drain trough" (lines 12-14) that have been adapted in order to reduce the risk of water leaking into the vehicle's engine.
Date: March 30, 1920
Creator: Stowe, George B.
System: The Portal to Texas History
Tape Feeding And Checking Register (open access)

Tape Feeding And Checking Register

Patent for an improved register that can verify transactions
Date: March 30, 1920
Creator: Greenwalt, Jesse Austin
System: The Portal to Texas History