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Sash Lock
Patent for a sash lock. This invention pertains to railway cars. Illustration included.
Date:
November 8, 1904
Creator:
Hughes, Henry B.
System:
The Portal to Texas History
Well-Drill Wrench.
Patent for a well drill wrench that is easily adjustable for different sized drill chucks. Its designs makes rotating the wrench smoother and less likely to slip off of drill chucks.
Date:
November 8, 1921
Creator:
Ellinger, William H.
System:
The Portal to Texas History