UNT Libraries Government Documents Department - 5 Matching Results

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Alarm.

Description: Patent for an alarm designed to attach to windows or entryways and sound to alert residents of a burglary attempt, with illustrations.
Date: May 29, 1906
Creator: Hobbs, Francis Marion
Item Type: Refine your search to only Patent

Cotton Chopper

Description: Patent for cotton choppers. This invention is adapted to be attached to a double shovel cultivator so that the chopper will rotate so as to protect plants. Illustrations included.
Date: November 13, 1906
Creator: Connell, Alexander Hardee
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for a pipe wrench. "One object of the invention is to provide an exceedingly simple, inexpensive, durable, and efficient" (lines 12-14) pipe wrench. "Another object of the invention is to obviate the use of link connections and yet obtain a positive binding action off the jaws upon the pipe, bolt, or other object to which the device may be applied." (lines 15-19)
Date: March 27, 1906
Creator: Coffman, Seburn E.
Item Type: Refine your search to only Patent
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