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Automatic Wrench
Patent for an automatic wrench. The wrench possesses a locking movable jaw. Illustrations included.
Date:
January 7, 1913
Creator:
Clay, Samuel
System:
The Portal to Texas History
Construction of Railroad-Beds.
Patent for a railroad-bed design that is used to support railroad tracks.
Date:
August 19, 1913
Creator:
Alley, William W.
System:
The Portal to Texas History
Water-Heater.
Patent for a portable water heater "in which a circulation of water may be had, whereby the same may become readily heated for use in a bath tub or other receptacle." (lines 12-15)
Date:
November 18, 1913
Creator:
Ramsey, Lee
System:
The Portal to Texas History