4 Matching Results
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Advertising-Machine
Patent for an advertising machine for displaying various advertising cards in a motorized machine that displays all the different cards as it goes around in a circle.
Date:
April 18, 1911
Creator:
Helm, Virgil L.
System:
The Portal to Texas History
Combined Scraper and Fender Attachment
Patent for a scraper and fender attachment for plows. Illustrations included
Date:
April 18, 1911
Creator:
Buttrill, David B.
System:
The Portal to Texas History
Liquid-Fuel Burner.
Patent for a liquid fuel burner for use in stoves that completely burns the fuel.
Date:
July 18, 1911
Creator:
Hawkins, William L.
System:
The Portal to Texas History
Gas-Generating Apparatus.
Patent for a gas generating apparatus that produces combustible gas.
Date:
July 18, 1911
Creator:
O'Neall, James M.
System:
The Portal to Texas History