Resource Type
Counties
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Animal-Trap
Patent for an animal trap. Illustrations included.
Date:
May 16, 1911
Creator:
Morris, Leopold
System:
The Portal to Texas History
Intermittent-Operating Mechanism
Patent for intermittent-operating mechanism. This is to improve upon the automatic regulating means for windmills in regards to supplying water to a tank.
Date:
October 16, 1917
Creator:
Bittner, Emil R.
System:
The Portal to Texas History