Patents by Inventor Billy M. Hammack

Billy M. Hammack 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: D355743
    Type: Grant
    Filed: September 23, 1993
    Date of Patent: February 21, 1995
    Inventors: Billy M. Hammack, Michael A. Collins