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3 Matching Results
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Improvement in Insect-Destroyers
Patent for an insect destroyer that forces fire smoke into the ground, targeting ants and other insects.
Date:
May 29, 1877
Creator:
Melcher, John C.
System:
The Portal to Texas History
Cotton-Baling Press.
Patent for "an improved construction of hydraulic baling-presses, whereby it is designed to provide simple and more durable and reliable presses of this kind than any now in use" (lines 8-12).
Date:
July 29, 1884
Creator:
Baumgarten, Christian
System:
The Portal to Texas History
Bridge Construction
Patent for a bridge building technique especially for arch or span bridges, to stabilize the bridge as well as making the bridge easy to assemble.
Date:
December 29, 1914
Creator:
Huebner, George
System:
The Portal to Texas History