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7 Matching Results
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Toy
Patent for a toy particularly adapted for the amusement of small children.
Date:
May 29, 1914
Creator:
Boyle, Frank J.
System:
The Portal to Texas History
Internal-Combustion Engine
Patent for an internal-combustion engine with a novel form of rotary valve and other meaningful improvements to a combustion engine.
Date:
September 29, 1914
Creator:
Clough, George Golden
System:
The Portal to Texas History
Telegraph Apparatus.
Patent for a telegraph apparatus for which a "permanent record may be made" (lines 25-26) with a typewriter. The telegraph apparatus also allows for "positive and minus impulses" (line 40) to be sent over the telegraph line. Illustrations included. Best Available Copy -- some fading of the text on first, third, and fifth pages; third page illegible in some places.
Date:
July 29, 1913
Creator:
Edwards, Claude M.
System:
The Portal to Texas History
Miner's Lamp.
Patent for a miner's lamp with a combustion chamber that allows for the regulation and extinguishing of the flame. It is designed to be lightweight and cheap to manufacture.
Date:
July 29, 1913
Creator:
Sallander, Carl G.
System:
The Portal to Texas History
Pocket Hair Brush.
Patent for useful improvements on the pocket hairbrush in which the bristles are movably mounted in a supporting frame in order to make the brush more compact.
Date:
October 29, 1918
Creator:
Walbach, James de B.
System:
The Portal to Texas History
Shell.
Patent for improvements to explosive projectile shells. Provides a shell adapted to contain gas and high explosives with constructed multi-layered shells with the intent to inflict as much damage as possible.
Date:
April 29, 1919
Creator:
Aoughsten, Richard G. & Aoughsten, Otto L.
System:
The Portal to Texas History
Rail-Joint.
Patent for an improved rail joint.
Date:
August 29, 1911
Creator:
Kotlarich, Pete M.
System:
The Portal to Texas History