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Fastening
Patent for fastening. This invention is comprised of a threaded member and a socket that are adapted to a screw. Illustration included.
Date:
October 26, 1909
Creator:
Percival, Herbert E. & Key, Brewer W.
System:
The Portal to Texas History
Draft-Equalizer.
Patent for Draft Equalizer. Patent states this invention "relates to the new and useful improvements in draft-equalizers" (lines 10-11). Includes instructions and illustrations.
Date:
February 20, 1918
Creator:
Dudley, Thomas J. & Bryant, Marvin H.
System:
The Portal to Texas History