Patents by Inventor Harold E. Longfellow

Harold E. Longfellow 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).

  • Mobile antenna
    Patent number: D345165
    Type: Grant
    Filed: April 17, 1992
    Date of Patent: March 15, 1994
    Assignee: Valor Enterprises, Inc.
    Inventors: Glenn L. Cota, Harold E. Longfellow