4 Matching Results

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Measuring Device

Description: Patent for improvements to the measuring device used to ascertain the depth of a well.
Date: May 23, 1922
Creator: Bevel, Jack H.
Partner: UNT Libraries Government Documents Department

Surgical Instrument.

Description: Patent for a medical instrument used to perform circumcisions "without pain and bloodlessly" (lines 10-11) and illustration.
Date: May 23, 1922
Creator: Couch, Albert B.
Partner: UNT Libraries Government Documents Department

Hair Clipper

Description: Patent for improving structure of clipper forming co-pending application Serial No. 469,842. Simplifying manufacturing and adding other features.
Date: May 23, 1922
Creator: Monroe, Collier
Partner: UNT Libraries Government Documents Department

Brake.

Description: Patent for a brake (as it pertains to vehicles), that is operated by hand and that employs the use of brake bands and a drum to alter the momentum of a vehicle.
Date: May 23, 1922
Creator: White, John W.
Partner: UNT Libraries Government Documents Department
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