Resource Type
Counties
2 Matching Results
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Plow-Frame.
Patent for a plow frame, which is adjustable to different widths.
Date:
May 31, 1910
Creator:
McDonnold, Pleasant T.
System:
The Portal to Texas History
Road-Grader.
Patent for a road grader, which will "excavate a ditch at the side of a road, and distribute the dirt from said ditch at a proper gradient upon the road" (lines 11-14).
Date:
January 31, 1911
Creator:
Fender, John Brown
System:
The Portal to Texas History