Resource Type
Counties
3 Matching Results
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Whip-Socket
Patent for a whip-socket that locks the whip in place.
Date:
November 26, 1912
Creator:
Clark, Isom J.
System:
The Portal to Texas History
Aeroplane
Patent for an aeroplane. This invention does not use any mechanism to maintain the planes equilibrium. Illustration included.
Date:
November 5, 1912
Creator:
Goebel, Alois
System:
The Portal to Texas History
Railway-Switch
Patent for a triple rail railway switch with improved opening and closing mechanisms.
Date:
June 4, 1912
Creator:
Phinney, Grover Cleveland
System:
The Portal to Texas History