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Agricultural Implement
Patent for an agricultural implement. This invention allows for the interchangeability of different blades. Illustration included.
Date:
October 2, 1906
Creator:
Messer, Jeremiah Clark
System:
The Portal to Texas History
Self-Locking, Nut.
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.
System:
The Portal to Texas History