Cotton Chopper (open access)

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
Safety Window-Screen. (open access)

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. (open access)

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
Cultivator. (open access)

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 (open access)

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