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Rotary Hand-Stamp.
Patent for a rotary hand stamp that has an interchangeable printing surface that is simple, convenient, and is especially created for rapid operation.
Date:
March 19, 1912
Creator:
Walshe, Denny Edmund
System:
The Portal to Texas History
Cotton-Thinning Machine
Patent for a cotton thinning machine. Illustrations included.
Date:
July 12, 1912
Creator:
Brawner, William Jefferson
System:
The Portal to Texas History
Cotton-Chopper
Patent for a cotton chopper that attaches to a cultivator.
Date:
November 26, 1912
Creator:
Parsley, Samuel E.
System:
The Portal to Texas History