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Improvement in Rotary Engines.
Patent for improvements in valves used in rotary engines.
Date:
May 9, 1871
Creator:
Hughes, Robert
System:
The Portal to Texas History
Thill-Support
Patent for a thill support designed to support the thill "without having the weight thrown upon the circle or fifth wheel" (lines 14-15), and may be adjusted to a variety of vehicles. Illustrations included.
Date:
February 9, 1909
Creator:
Story, Sam H
System:
The Portal to Texas History
Plow and Sweep Holder
Patent for a holder for plows and sweeps. Illustrations included.
Date:
February 9, 1909
Creator:
French, Alfonso Claude
System:
The Portal to Texas History