12 Matching Results

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in creator/contributor: "Stitt, J. W."  
Results: 1 - 12

Watch

Description: Patent for a watch case that can have different size clock works put in it.
Date: November 12, 1912
Creator: Friedman, Adolph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Saw Tester

Description: Patent for a device that tests and trains saws for cotton gins. Detects cups and kinks in the saw and prevent the saw from being burned.
Date: January 2, 1912
Creator: Cass, Thomas M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Semaphore.

Description: Patent for a semaphore with an enclosure for the operating gearing in signaling devices for railway trains. It incloses the operating gearing so that ice does not interfere with its operation and water does not touch the gearing.
Date: January 16, 1912
Creator: Van Zandt, Luther H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolly Catcher.

Description: Patent for simple and inexpensive devices for tripping the trolley pole of an electric car by automatically releasing the tension of the maintaining springs which hold the trolley pole in operative position, so that the trolley pole will drop downwardly shortly after it is displaced from under the trolley wheel and not rise up and break the suspension devices.
Date: November 10, 1912
Creator: Reames, Charles H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Boat-Propeller

Description: Patent for a boat propeller that runs more efficiently by turning in such a way that the load of water on the propeller is taken off when its blades are going up.
Date: July 16, 1912
Creator: Reames, Charles H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Air-Cycle

Description: Patent for an air cycle that allows a person to fly by pedaling. Illustrations included.
Date: January 9, 1912
Creator: Price, Joseph H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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