Patents by Inventor David Ray Hargis

David Ray Hargis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

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Patent number: D244238

Type: Grant

Filed: November 28, 1975

Date of Patent: May 10, 1977

Assignee: Tektronix, Inc.

Inventors: James Alexander Hill, David Ray Hargis

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