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Improvement in Seed-Planters.
Patent for an improvement in seed-planters, illustration included.
Date:
January 26, 1875
Creator:
Garner, John G.
System:
The Portal to Texas History
Hub Ball-Bearing.
Patent for a bearing to be employed in a wheel and axle system. The patented bearing is meant to reduce the usual amount of friction in the system to a minimum.
Date:
August 26, 1913
Creator:
Price, John W.
System:
The Portal to Texas History
Whiffletree-Hook.
Patent for whiffletree-hook that provides "a novel device of this character in which it is impossible for the trace ring or link to become accidentally detached, but which may be readily removed or disengaged from the hook when desired" (lines 15-20). The invention has a flattened circular plate.
Date:
March 26, 1895
Creator:
Flatau, Louis S.
System:
The Portal to Texas History