Patents by Inventor Geoff Marsh

Geoff Marsh 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).

  • Communications equipment
    Patent number: D666575
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: September 4, 2012
    Assignee: British Telecommunications Public Limited Company
    Inventor: Geoff Marsh
  • Communications equipment
    Patent number: D666576
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: September 4, 2012
    Assignee: British Telecommunications Public Limited Company
    Inventor: Geoff Marsh
  • Communications equipment
    Patent number: D668239
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: October 2, 2012
    Assignee: British Telecommunications Public Limited Company
    Inventor: Geoff Marsh