Attachment for Stalk-Cutting Machines. (open access)

Attachment for Stalk-Cutting Machines.

Patent for improved, cheap, and simple stalk-cutting technology with shielded protection, including instructions and illustrations.
Date: September 17, 1918
Creator: McCray, Henry L.
Object Type: Patent
System: The Portal to Texas History
Burglar-Alarm. (open access)

Burglar-Alarm.

Patent for a burglar alarm, designed to be simply constructed and installed.
Date: November 29, 1921
Creator: Stephens, William B.
Object Type: Patent
System: The Portal to Texas History
Well-Drill Wrench. (open access)

Well-Drill Wrench.

Patent for use with oil well drills to enable easier rotation and less friction. The invention aids in quick and easy adjustments to oil well parts.
Date: January 6, 1920
Creator: Ellinger, William H.
Object Type: Patent
System: The Portal to Texas History
Wire-Stretcher. (open access)

Wire-Stretcher.

Patent for a wire stretcher which includes attachments for pulling the ends of a broken strand of wire together so that it can be repaired, in addition to the usual function of stretching wire thereby taking up slack in unbroken wire strands when erecting fences. The device also "requires a minimum amount of labor in its operation and in which the force employed is exerted in the direction of the line of the wire" (lines 20-23).
Date: September 14, 1920
Creator: Stephens, William B.
Object Type: Patent
System: The Portal to Texas History
Drive Belt (open access)

Drive Belt

Patent for a drive belt. Used for automotive motor fans and similar light elements so light machinery will not be liable to slip upon belt wheels or become displaced.
Date: May 14, 1918
Creator: Kelley, Robert
Object Type: Patent
System: The Portal to Texas History