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5 Matching Results
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Insecticide.
Patent for an insecticide that uses an arsenic compound to kill insects instead of Paris green or London purple, and can easily be made into a beautiful green powder that may be used as a pigment.
Date:
November 27, 1894
Creator:
Brumleu, Ludwig & Brumleu, Ernest
System:
The Portal to Texas History
Gasolene Tank Filler and Gage
Patent for a means of filling a gasoline tank for a motor vehicle with a sight gage for determining the level of gasoline placed in the tank.
Date:
February 27, 1917
Creator:
Boyce, Leonora
System:
The Portal to Texas History
Improvement in Ant-Destroying Apparatus.
Patent for "a new and Improved Apparatus for Destroying Ants" (lines 4-5) including illustrations.
Date:
July 27, 1875
Creator:
Grafton, William
System:
The Portal to Texas History
Addressing-Machine.
Patent for an improved addressing machine, which will "paste, cut, and attach the slip simultaneously, or with one operation" (lines 26-27), with instructions and illustrations.
Date:
December 27, 1887
Creator:
Eberhardt, Theophilus Charles
System:
The Portal to Texas History
Combined Railway-Switch and Car-Replacing Mechanism.
Patent for a combined railway-switch and car-replacing mechanism that is meant to "provide certain improved devices which can be arranged to operate as a switch mechanism, or as car replacing means, which can be easily manipulated, are of a simple construction and which will effectively serve for their intended purposes" (lines 11-16). It can be easily assembled and dissembled.
Date:
November 27, 1894
Creator:
Debose, Albert S.
System:
The Portal to Texas History