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Blower and Suction Device.
Patent for a blower for a threshing machine that regulates the amount of air put out of the machine, and is both affordable and durable.
Date:
March 26, 1907
Creator:
Brown, Harry M. & Dahl, Harry M.
System:
The Portal to Texas History
Harrow Attachment for Cultivators
Patent for Harrow Attachment for Cultivators
Date:
September 26, 1916
Creator:
Kučera, John
System:
The Portal to Texas History