Patents by Inventor Gregory Michael Martens

Gregory Michael Martens 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: D431590
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: October 3, 2000
    Assignee: Hewlett-Packard Company
    Inventors: John Robert Brown, Gregory Michael Martens