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Rotary-Razor

Patent for rotary razors that includes a rotating blade that approaches and passes over the skin to avoid cuts or scrapes. The blade on the razor is tilted too far out to cause cuts and scrapes, yet it provides a sufficient shave.

Date: August 17, 1920

Creator: Jones, Sidney P.

Partner: UNT Libraries Government Documents Department

Railroad-Bed and Rail-Support.

Patent for increased construction and durability of railway beds and their supports. The new design allows for rail supports to be removed and replaced without disrupting the road bed portion.

Date: August 24, 1920

Creator: Usher, George S.

Partner: UNT Libraries Government Documents Department

Rail-Joint.

Patent for improving railway rail joints "without the use of fish plates or clamping bolts" (lines 12-13) and for quick and secure assembly "by any person without previous skill or knowledge" (lines 24-25).

Date: August 17, 1920

Creator: Fenske, Paul J.

Partner: UNT Libraries Government Documents Department

Plaiting-Machine.

Patent for a machine that folds or plaits cloth in the desired style.

Date: August 16, 1921

Creator: Odle, Ophelia & Odle, Leo Estelle

Partner: UNT Libraries Government Documents Department

Tool-Handle.

Patent for a hammer handle with an inner reinforcing plate which is strong and slightly flexible, so as to "be practically unbreakable" (lines 25-26) and "afford the necessary yielding action or spring to avoid jarring the hands of the operator while in use" (lines 26-29). Application of the design principle to other similar tools, such as "hatchets, axes, shovels, spades, hoes, etc." (lines 22-23), is also suggested.

Date: August 23, 1921

Creator: Johnson, George T.

Partner: UNT Libraries Government Documents Department

Rock-Drill

Patent for a rock drill design for quick drilling.

Date: August 16, 1921

Creator: Alford, Allen

Partner: UNT Libraries Government Documents Department

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