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3 Matching Results
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Churn Operating Mechanism
Patent for a churn operating mechanism. This invention provides a dasher operating mechanism for easy and convenient cleaning. Illustration included.
Date:
December 31, 1912
Creator:
Cunningham, Richard A.
System:
The Portal to Texas History
Steam-Engine
Patent for an improved steam engine for train engines.
Date:
June 4, 1912
Creator:
Sanders, William Robert
System:
The Portal to Texas History
Electric Switch.
Patent for switches or connectors that connect sections of wires used for telephones or telegraphs
Date:
January 9, 1912
Creator:
Du Val, James Erl & Lee, Ezra A.
System:
The Portal to Texas History