Patents by Inventor David Guinlan

David Guinlan 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: D399757
    Type: Grant
    Filed: May 27, 1997
    Date of Patent: October 20, 1998
    Assignee: Timex Corporation
    Inventors: Judith R. Riley, David Guinlan