Resource Type
States
3 Matching Results
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Coin-Controlled Vending-Machine
Patent for a coin-operated vending machine. Illustrations included.
Date:
June 6, 1911
Creator:
Boucher, Horace E.
System:
The Portal to Texas History
Coin-Controlled Vending-Machine
Patent for a pencil vending machine that is coin-operated, with illustrations.
Date:
September 5, 1911
Creator:
Mathes, John W.
System:
The Portal to Texas History
Spring-Washer for Piano-Flanges.
Patent for a spring washer for piano flanges that prevents the flanges from becoming loose over time.
Date:
December 5, 1911
Creator:
Mayor, Enoch Allen
System:
The Portal to Texas History