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Counties
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Vacuum-Regulator for Oil-Pumps.
Patent for vacuum regulator for oil pump. This device is simply constructed and easy to operate. It is an automatic cut-off in the vacuum of the pipe line to the pump.
Date:
March 12, 1918
Creator:
Hobb, James W.
System:
The Portal to Texas History
Table Attachment for Beds
Patent for a table attachment for beds. This table serves as a place for medicines, food, writing, or a book rest.
Date:
May 12, 1914
Creator:
Thorniley, Clarence W.
System:
The Portal to Texas History
Pipe-Tongs.
Patent for improvement upon the use of chain tongs. The invention "permits the application of a very strong rotative force" (lines 11-12), "produce rotation of a pipe in either direction" (lines 17-18), and "provides a chain tong which will not crush the pipe..." (lines 22-23).
Date:
May 12, 1914
Creator:
McLeod, Rueben A.
System:
The Portal to Texas History