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Automatic Car-Dump
Patent for automatic dumpers that can be readily and inexpensively fitted and adapted to most forms of dump car.
Date:
April 22, 1913
Creator:
Putnam, John J.
System:
The Portal to Texas History
Paper-Guide.
Patent for a Paper-Guide that can be folded, when it is not in service position, to allow it to be covered by the typewriting machine it is attached to. The patent includes illustrations.
Date:
July 22, 1913
Creator:
Davis, Alice Urilla
System:
The Portal to Texas History
Piston
The Patent for an improved piston to be used in connection with the cylinders of air brakes. The improvement involves making the removal and replacement of worn out packing material easier.
Date:
July 22, 1913
Creator:
King, Herbert G.
System:
The Portal to Texas History