UNT Libraries Government Documents Department - 3 Matching Results

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Automatic Wrench

Description: Patent for an automatic wrench. The wrench possesses a locking movable jaw. Illustrations included.
Date: January 7, 1913
Creator: Clay, Samuel

Construction of Railroad-Beds.

Description: Patent for a railroad-bed design that is used to support railroad tracks.
Date: August 19, 1913
Creator: Alley, William W.

Water-Heater.

Description: 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
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