Resource Type

Automatic Controller for Cotton Trampers (open access)

Automatic Controller for Cotton Trampers

Patent for an automatic controller of cotton tramplers intended to improve piston performance and reduce need for attendant intervention.
Date: June 1, 1915
Creator: Troy W. Sparks
System: The Portal to Texas History
Plow (open access)

Plow

Patent for improvements to plows with laterally extending adjustable wings, as well as other different styles of plow and cultivator standards, with illustration.
Date: March 9, 1915
Creator: Armentraut, Richard B.
System: The Portal to Texas History
Pipe or Rod Grips (open access)

Pipe or Rod Grips

Patent for Pipe or Rod Grip
Date: February 20, 1917
Creator: Champie, James A.
System: The Portal to Texas History