Resource Type

States

Car Door (open access)

Car Door

Patent is for car door and support. It goes on to explain that the car door and support were created to serve as a means of forming an efficient rain-proof closure when the door is moved into closed position. Another object is to provide sufficient means for slide-able support for the door and locking mechanisms.
Date: March 27, 1915
Creator: Minton, S. F. & McClellen, R. E.
System: The Portal to Texas History
Nut-Lock. (open access)

Nut-Lock.

Patent for a nut lock with a spring locking mechanism that is designed to be simple and efficient.
Date: October 26, 1915
Creator: Moerbe, Herman
System: The Portal to Texas History