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Nut-Lock

Description: Patent for a nut lock, to hold a nut in place or act in place of a washer, including illustrations.
Date: September 25, 1900
Creator: Dowell, Jeff Davis & Galliher, Lawrence M.
Partner: UNT Libraries Government Documents Department

Self-Locking, Nut.

Description: Patent for a "simple and efficient device" for "securely holding a nut upon a bolt" (lines 76-77).
Date: March 6, 1906
Creator: Galliher, Lawrence M.
Partner: UNT Libraries Government Documents Department
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