Patents by Inventor Glenn Peter Robertson

Glenn Peter Robertson 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: D639877
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: June 14, 2011
    Inventor: Glenn Peter Robertson
  • Patent number: D639878
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: June 14, 2011
    Inventor: Glenn Peter Robertson