Patents by Inventor Frank Philbern

Frank Philbern 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: D425581
    Type: Grant
    Filed: June 3, 1999
    Date of Patent: May 23, 2000
    Inventor: Frank Philbern