Resource Type
Counties
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Improvement in Scrapers.
Patent for improved road scraper with two-wheel vehicle and scoop pulled by a chain.
Date:
July 15, 1873
Creator:
Mayfield, William Dudley
System:
The Portal to Texas History
Improvement in Car-Couplings.
Patent for an "improvement in car-couplings; and it consists in the arrangement and combination of devices whereby the pin is supported in a raised condition; also in a spring-slide for holding up the link ready for coupling with another car." (lines 13-18)
Date:
July 2, 1878
Creator:
Gassaway, John H.
System:
The Portal to Texas History