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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
Motor
Patent for a motor for a sewing machine that is simple and less expensive.
Date:
August 31, 1900
Creator:
Daniels, James R.
System:
The Portal to Texas History