Resource Type
Counties
6 Matching Results
Results open in a new window/tab.
Results:
1 - 6 of
6
Rotary Plowshare
Patent for rotary plowshare that allows for improvements in plows. This detachable element rotates as it moves within the earth, pulverizing and disintegrating it while doing so. This rotary plowshare will accelerate cultivation and provide cost savings in time and labor.
Date:
August 30, 1921
Creator:
Billingsley, Rennie E.
System:
The Portal to Texas History
Vehicle-Wheel.
Patent for a spring cushioned tire. The springs are positioned between the wheel ferry and the tread.
Date:
August 30, 1921
Creator:
Allan, William N.
System:
The Portal to Texas History
Attachment for T-Stands
Patent for improvement of T stands, which includes a vertical rod that makes attachment and removal easier.
Date:
August 2, 1921
Creator:
Adamson, John Selden
System:
The Portal to Texas History
Pressure-Screw.
Patent for a pressure screw where the screw can freely rotate, and the shoe may pivot slightly. It is also designed for easy maintenance and lubrication of the bearing and to be cheap to manufacture, efficient and durable.
Date:
August 16, 1921
Creator:
Menger, Edward W.
System:
The Portal to Texas History
Vehicle-Wheel
Patent for improving vehicular tires by making them more durable for heavier vehicular use.
Date:
August 30, 1921
Creator:
Allan, William N.
System:
The Portal to Texas History
Filing Cabinet
Patent for filing cabinet designed to accommodate blue prints and large papers.
Date:
August 30, 1921
Creator:
Southwell, Charles R.
System:
The Portal to Texas History