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8 Matching Results
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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
Condensing-Pump.
Patent for a condensing pump with a new type of valve mechanism.
Date:
September 17, 1907
Creator:
Leggett, Charles E.
System:
The Portal to Texas History
Clevis
Patent for a clevis. This invention is designed to connect with gang plows allowing vertical and lateral movement. Illustration included.
Date:
September 10, 1907
Creator:
Barnett, George W.
System:
The Portal to Texas History
Well-Screen
Patent for a well screen to prevent the entrance of sand or gravel into the wall of a deep well.
Date:
June 18, 1907
Creator:
Stancliff, George W.
System:
The Portal to Texas History
Wheel Plow
Patent for a plow supported on wheels. Illustration included.
Date:
January 1, 1907
Creator:
Barnett, George W.
System:
The Portal to Texas History
Grading-Machine.
Patent for a grading machine for use in building dikes and levees, which can run over obstacles without harming the machine's work.
Date:
October 29, 1907
Creator:
Barnett, George W.
System:
The Portal to Texas History
Seed-Planter
Patent for a seed planter. Illustrations included.
Date:
December 3, 1907
Creator:
McGuire, Daniel Harry
System:
The Portal to Texas History
Device for Cutting Key Seats or the Like
Patent for a device for cutting key seats or the like. This invention is an improvement in metal working tools as they relate to key seat cutters. Illustration included.
Date:
November 12, 1907
Creator:
Lindstrom, Conrad
System:
The Portal to Texas History