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3 Matching Results
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Air-Lift Pump
Patent for an air lift pump. Illustrations included.
Date:
July 30, 1912
Creator:
Holmgreen, Julius H. & Underwood, William H.
System:
The Portal to Texas History
Pressing and Drying Garments.
Patent for pressing and drying pantaloons and garments which includes a hollow form made of sheet metal that is closed steam-tight and uses a steam pipe inside to dry the garments.
Date:
October 8, 1881
Creator:
Wolf, Louis
System:
The Portal to Texas History
Method of Forming Round Bales.
Patent for a method making round cotton bales at cotton gins more efficiently by providing a way of winding the bat of cotton into a ball in between press runs.
Date:
July 30, 1907
Creator:
Reagan, Edgar
System:
The Portal to Texas History