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3 Matching Results
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Gear-Wheel.
Patent for the construction of a wheel and gear rim that converts any ordinary vehicle wheel into a gear wheel.
Date:
June 8, 1915
Creator:
Biela, Valentine
System:
The Portal to Texas History
Insect Catcher
Patent for Insect Catcher, The objective of this invention is to provide a novel and improved device for this general character especially designed and adapted for use in connection with growing plants and is especially adapted for use to destroy boll weevils, bollworms, sharp shooters, and bugs and insects which infest cotton, potato, tomato and kindred plants.
Date:
November 8, 1921
Creator:
Ryan, William C. & Ruhmann, Grover C.
System:
The Portal to Texas History
Boiler Feeder and Indicator
Patent for an improvement automatic steam-boiler feeders which controls the feed pump and actuates an alarm whistle (lines 21-23).
Date:
November 8, 1892
Creator:
Newman, Prentice A.
System:
The Portal to Texas History