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3 Matching Results
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Cotton-Chopper.
Patent for a cotton chopper with rotating blades.
Date:
July 4, 1911
Creator:
Prokschl, Mathias
System:
The Portal to Texas History
Press for Forming Hollow Articles
Patent for a press for forming hollow objects such as furnace pots. Illustrations included.
Date:
July 13, 1909
Creator:
Williams, Robert Lucius
System:
The Portal to Texas History
Saw Gummer.
Patent for a new and improved saw gummer. This design "is to improve the action and prolong the usefulness of the bit and dies, and to prevent the clippings from interfering with the operation of the machine" (lines 26-29).
Date:
July 28, 1885
Creator:
Clopton, John Benjamin
System:
The Portal to Texas History