Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Draft-Equalizer.
Patent for a "draft even or equalizer...for various cultivators, and particularly for disk plows" (lines 10-12).
Date:
May 27, 1902
Creator:
Dysart, William C.
System:
The Portal to Texas History
Steam Engine
Patent for an improved steam engine design.
Date:
May 27, 1919
Creator:
Edwards, James L.
System:
The Portal to Texas History