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4 Matching Results
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Lever-Latch.
Patent for a lever latch that features improved locking mechanisms for hand levers, including illustrations.
Date:
June 15, 1915
Creator:
Smith, Asa E.
System:
The Portal to Texas History
Mail-Pouch-Transferring Apparatus.
Patent for a mail pouch transferring apparatus that has a secure attachment to the frame.
Date:
June 27, 1911
Creator:
Pepple, John W.
System:
The Portal to Texas History
Money-Changing Machine.
Patent for a machine that provides change in coins automatically.
Date:
June 29, 1915
Creator:
Dodson, Clifton T.
System:
The Portal to Texas History
Device for Cleaning Flues
Patent for a flue cleaner that operates by blowing steam through the flue, thus removing dirt and debris. Illustrations included.
Date:
June 14, 1910
Creator:
Bartles, Neslon E. & Hawkins, Charles O.
System:
The Portal to Texas History