Patents by Inventor Frank C. Hutmacher

Frank C. Hutmacher 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: D252382
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: July 17, 1979
    Inventor: Frank C. Hutmacher