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WRENCH.

Description: Patent for an improved wrench "which can be very quickly adjusted for its work" (lines 13-14), including illustrations.
Date: October 30, 1900
Creator: Phenix, William Preston
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Windmill Pipe Attachment

Description: Patent for a windmill pipe attachment that is meant to close the vent opening of a windmill and drain from an opening of the user's choosing.
Date: December 30, 1919
Creator: Boerner, Fredrick W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow

Description: Patent for a plow which plows two furrows simultaneously. An axle is mounted on wheels, and the two adjustable plow beams pivot from the axle so that furrow depth and the width between furrows can be adjusted. Patent includes illustrations.
Date: November 30, 1920
Creator: Henderson, Warren H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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