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Design for a Plowshare.
Design patent for a plowshare with a substantially triangular plowshare or moldboard.
Date:
September 5, 1899
Creator:
Kegans, John Hamelton
System:
The Portal to Texas History
Bridge.
Patent for a bridge of "simple and strong construction in metal of very low cost and light weight, using only such materials as are easily available, being also of easy construction and well adapted to resist washouts" (lines 9-13).
Date:
July 5, 1892
Creator:
Kosure, Thomas H.
System:
The Portal to Texas History