Patents by Inventor Kelvin G. Whitford

Kelvin G. Whitford 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: D276446
    Type: Grant
    Filed: December 11, 1981
    Date of Patent: November 20, 1984
    Assignee: Transit Signs Pty. Ltd.
    Inventor: Kelvin G. Whitford