Pump Working Barrel. (open access)

Pump Working Barrel.

Patent for a pump working barrel, construction of glass pump cylinder
Date: November 11, 1913
Creator: Kilburn, John Franklin
System: The Portal to Texas History
Stamp and Coin Envelop. (open access)

Stamp and Coin Envelop.

Patent for stamp and coin envelope that has "a separate pocket for receiving coin, postage stamps or sundry articles to be transmitted through the mail in such a manner as to be kept separate from the contents of the envelop and also to insure safe delivery" (lines 9-14), including illustrations.
Date: November 4, 1913
Creator: Zivley, Dennis C.
System: The Portal to Texas History
Gate. (open access)

Gate.

Patent for a gate "in which the one hinge point is adapted to be shifted to cause the gate to swing in one direction or the other... [by] providing means for shifting the hinge point of the gate from a carriage or a wagon on the roadway without leaving the latter" (lines 11-13, 15-17); including instructions and illustrations.
Date: November 11, 1913
Creator: Craig, Sam A.
System: The Portal to Texas History