Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Improvement in Horse-Powers.
Patent for a horse-power with a master-wheel, communicating, through a pinion, crank, and pitman.
Date:
April 18, 1876
Creator:
Andrews, Henry K.
System:
The Portal to Texas History
Improvement in Sulky Plows
Patent for the improvement of sully plows by regulating the depth of furrow.
Date:
April 5, 1870
Creator:
Boyd, John G. & Bailey, Allen
System:
The Portal to Texas History