Clothes Pin or Clamp (open access)

Clothes Pin or Clamp

Patent for a more durable metal clothes pin.
Date: November 25, 1919
Creator: Townley, Percy
System: The Portal to Texas History
Tire Construction (open access)

Tire Construction

Patent for an improvement to rubber tires. The inner tube is enclosed within a thick detachable shoe to withstand shocks and jars, and also uses side guards to protect from dirt accumulation.
Date: November 25, 1919
Creator: Luck, John J.
System: The Portal to Texas History