UNT Libraries Government Documents Department - 5 Matching Results

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Cotton Chopper

Description: Patent for cotton chopper. Illustration included.
Date: October 1, 1907
Creator: Murray, Joel S. & Scarborough, Ezem H.

Cultivator.

Description: Patent for a cultivator with adjustable teeth positions to allow for variation in distance between rows or different types of crops.
Date: March 26, 1907
Creator: Vance, Sidney, F.

Cultivator

Description: Patent for a cultivator. This invention consists of a plurality of spring teeth or blades. Illustration included.
Date: February 26, 1907
Creator: Omberg, Niles E.

Derailing Device.

Description: Patent for a derailing device to stop trains from colliding with one another by derailing the oncoming train.
Date: December 24, 1907
Creator: Clegg, William Owen

Safety Window-Screen.

Description: Patent for a window screen that is adjustable to different size windows and locks in place on the window frame at different heights to provide a cover for the opening left when a window is opened for ventilation for the purpose of preventing anyone from entering the house through the window.
Date: April 23, 1907
Creator: Crosby, Matthew G.
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