Resource Type

Chuck. (open access)

Chuck.

Patent for chucks that secure pipes, preventing movement when being cut or threaded, including illustrations.
Date: December 27, 1921
Creator: Castanie, William
System: The Portal to Texas History
Vehicle-Wheel. (open access)

Vehicle-Wheel.

Patent for an improved vehicle wheel with a demountable tire rim, so that tires can be easily placed on and taken off the wheel.
Date: December 27, 1921
Creator: Larson, Christian H.
System: The Portal to Texas History
Demountable Rim. (open access)

Demountable Rim.

Patent for improved demountable rims for automobiles that are easy to mount and detach as well as cheaper and easier to manufacture.
Date: April 27, 1920
Creator: McPherson, Arthur Edison
System: The Portal to Texas History