Patents by Inventor Robert K. Sperry

Robert K. Sperry 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: D280959
    Type: Grant
    Filed: September 15, 1983
    Date of Patent: October 15, 1985
    Assignee: Color Process Company, Inc.
    Inventor: Robert K. Sperry