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3 Matching Results
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Kafir-Corn-Heading Machine.
Patent for an improved Kafir corn heading machine.
Date:
June 1, 1909
Creator:
Norris, John, Jr.
System:
The Portal to Texas History
Mechanical Movement.
Patent for a mechanical movement, which reduces the level of power needed to operate a mechanical motor pump for wells.
Date:
July 2, 1907
Creator:
Kirby, William Buckingham
System:
The Portal to Texas History
Governor for Spring Motors
Patent for an improved governor specifically for spring motors, but it can also be applied to other motors.
Date:
April 11, 1905
Creator:
Kirby, William Buckingham
System:
The Portal to Texas History