Patents by Inventor J. Robert Mullen

J. Robert Mullen 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).

  • Patent number: D332817
    Type: Grant
    Filed: October 3, 1990
    Date of Patent: January 26, 1993
    Assignee: J. Robert Mullen
    Inventor: J. Robert Mullen