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Fuel-Valve Lock for Motor-Cars.
Patent for a fuel shut-off valve for motor cars. The device would prevent fuel from flowing from the tank to the engine with the turn of a key, preventing the vehicle from being stolen.
Date:
March 15, 1921
Creator:
McQueen, Roy O. & Batson, Joseph A.
System:
The Portal to Texas History
Rail Joint
Patent for stronger design of rail joints for laying train tracks. Includes illustrations and instructions.
Date:
February 15, 1916
Creator:
Stephenson, William A.
System:
The Portal to Texas History