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Cotton-Scraper.
Patent for an improved cotton-scraper by applying a regulator (a rod) with a series of perforations to the rear of the scraper, for the purpose of adjusting the depth, at which the cutter shall run. Illustration included.
Date:
February 3, 1891
Creator:
Hobbs, James Joseph
System:
The Portal to Texas History
Well-Drilling Machine.
Patent for an oil well drilling machine, designed to be easy to use and inexpensive to construct.
Date:
February 22, 1921
Creator:
Bradshaw, Albert Cidney
System:
The Portal to Texas History