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Latch.
Patent for certain new and useful improvements in latches, including instructions and illustrations.
Date:
July 18, 1899
Creator:
Lott, William E.
System:
The Portal to Texas History
Lifting-Jack.
Patent for improved construction of lifting jacks with a "vertically-movable screw and capable of enabling the jack to be readily connected with an object at the base of it, whereby the range of the lifting-jack will be materially increased" (lines 14-18).
Date:
December 18, 1900
Creator:
Sanders, John Thomas
System:
The Portal to Texas History