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Memorandum-Calendar.
Patent for providing a memorandum calendar pad to be used for 2 consecutive years, that includes a filing wire of which the leaves of the pad can be attached to or detached from the calendar stand, and that will be inexpensive to make and easy to operate.
Date:
April 12, 1921
Creator:
Schramm, Henry A. & Hawkins, Jackson D.
System:
The Portal to Texas History
Vehicle-Wheel
Patent for new and useful improvements to the Vehicle-Wheel. Tire may be formed into a disk wheel constructed with nuts, bolts, rivets, and screws to compensate for any regular and irregular pressure stresses a tire may be subjected to on a road. A further improvement is to provide a more resilient disk wheel to have more durability and longer use on the road.
Date:
April 12, 1921
Creator:
Allan, William N.
System:
The Portal to Texas History
Truss.
Patent for a new truss designed to hold ruptures without discomfort, suitable for single and double ruptures. The truss features a novel spring plate, soft rubber pads, and adjustable waterproof bands.
Date:
April 19, 1921
Creator:
Downie, James H.
System:
The Portal to Texas History
Process of Forming Tubes
Patent for the process of making tubes, especially tubes for producing, fitting, and/or refitting "eye-glasses, spectacles, &c." (lines 11-12).
Date:
April 19, 1921
Creator:
Rees, Herbert C.
System:
The Portal to Texas History
Hanger For Car-Doors.
Patent for a hanger for use in car doors to prevent jamming or binding during opening or closing.
Date:
April 12, 1921
Creator:
Jordan, Charles H.
System:
The Portal to Texas History
Cotton-Chopper
Patent for a machine that can be drawn along a row of cotton to chop the adjacent plants and cultivate the ground under the machine. The device is height adjustable by the operator.
Date:
April 12, 1921
Creator:
Schwab, Bruno; Schneider, Richard & Hoegenauer, Haver
System:
The Portal to Texas History