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Cultivator.
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.
System:
The Portal to Texas History
Cultivator
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.
System:
The Portal to Texas History
Safety Window-Screen.
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.
System:
The Portal to Texas History
Derailing Device.
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
System:
The Portal to Texas History
Cotton Chopper
Patent for cotton chopper. Illustration included.
Date:
October 1, 1907
Creator:
Murray, Joel S. & Scarborough, Ezem H.
System:
The Portal to Texas History