Resource Type
Counties
Decade
Month
Day
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Pump.
Patent for a simple, double-acting pump.
Date:
March 23, 1909
Creator:
Costephens, Elgin A. & Snow, Deskin D.
System:
The Portal to Texas History
Roof Screw.
Patent for a new and improved roof screw. This design consists, "[a]s a new article of manufacture, [in] a screw consisting of a threaded shank having an integral head, an enlarged collar or flange on said shank below the head thereon, and an elastic cushion on the shank immediately below the enlarged collar or flange, for the purpose described" (lines 60-66).
Date:
September 23, 1890
Creator:
Corley, Daniel B.
System:
The Portal to Texas History
Header.
Patent for the improvement of a header, which is a part that aids the carry of grain.
Date:
January 23, 1912
Creator:
Whitworth, Sam P.
System:
The Portal to Texas History