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4 Matching Results
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Car-Replacer
Patent for improved replacers for derailed railroad cars, complete with illustrations.
Date:
April 13, 1915
Creator:
Duval, Allen
System:
The Portal to Texas History
Air-Brake.
Patent for train air-brakes to provide set brakes and same auxiliary pressure on all cars regardless of the brake cylinder piston travel distance.
Date:
January 13, 1914
Creator:
Wolf, Gustav B.
System:
The Portal to Texas History
Vise and Saw-Clamp
Patent for improvements to vise and saw clamps complete with illustration.
Date:
April 13, 1915
Creator:
King, William T.
System:
The Portal to Texas History
Press for Forming Hollow Articles
Patent for a press for forming hollow objects such as furnace pots. Illustrations included.
Date:
July 13, 1909
Creator:
Williams, Robert Lucius
System:
The Portal to Texas History