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3 Matching Results
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Machine-Brake.
Patent for machine brake for regulating the speed of an automatic fan.
Date:
December 14, 1915
Creator:
Reeves, Elijah Winston
System:
The Portal to Texas History
Improvement in Plows.
Patent for "a new and Improved Plow" (lines 4-5) including illustrations.
Date:
September 14, 1875
Creator:
Freeman, Irvan
System:
The Portal to Texas History
Unloading and Feeding Apparatus.
Patent for improvements in Unloading and Feeding Apparatus, which improves the handling of fodder in a simple, practical, and cost effective way.
Date:
October 14, 1919
Creator:
Pierson, Ludvig B.
System:
The Portal to Texas History