Resource Type

4 Matching Results

Results open in a new window/tab.

Door-Strip (open access)

Door-Strip

Patent for a door strip for blocking air gaps below doors.
Date: June 4, 1912
Creator: Valentine, Levi Jackson
System: The Portal to Texas History
Cutting Mechanism for Corn-Harvesters (open access)

Cutting Mechanism for Corn-Harvesters

Patent for a cutting mechanism for corn harvesters that allows the stalks to be cut more effectively while the corn is being harvested.
Date: June 4, 1912
Creator: Tilson, William H.
System: The Portal to Texas History
Disk Plow. (open access)

Disk Plow.

Patent for a disk plow modification, which allows the disk to be self-sharpening and automatically release accumulated garbage.
Date: November 4, 1919
Creator: Hoffman, George L.
System: The Portal to Texas History
Traction-Engine (open access)

Traction-Engine

Patent for a traction engine with more power in the driving shaft and reduced wasted space in the design.
Date: June 4, 1912
Creator: Cox, Oscar McGruder
System: The Portal to Texas History