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Lock Nut

Description: Patent for a lock nut. Illustration included.
Date: June 2, 1908
Creator: Mathis, John M.
Partner: UNT Libraries Government Documents Department

Windmill-Drive

Description: Patent for a drive for windmills. Illustrations included.
Date: March 22, 1910
Creator: Cummins, Robert B.
Partner: UNT Libraries Government Documents Department

Nut-Lock.

Description: Patent for certain new and useful improvements in nut locks, including instructions and illustrations.
Date: November 29, 1898
Creator: Chambers, Slas
Partner: UNT Libraries Government Documents Department

Combination Tool

Description: Patent for a combination tool. "The object of the invention is in a ready, cheap, thoroughly-feasible and practical manner and in small compass to combine a rule square, bevel, miter-gage, level, and plumb, the parts to be so combined and arranged as to permit of the use of one without interference with the others" (line 9-15) illustration included.
Date: July 7, 1903
Creator: Chambers, Silas
Partner: UNT Libraries Government Documents Department

Pipe-Clamp.

Description: Patent for "a new and useful pipe clamp" (line 5), including illustration and instructions.
Date: August 28, 1900
Creator: Stewart, Warren Walter
Partner: UNT Libraries Government Documents Department