Patents by Inventor William Roper

William Roper 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).

  • Messaging device
    Patent number: D513654
    Type: Grant
    Filed: January 20, 2005
    Date of Patent: January 24, 2006
    Inventor: William Roper
  • Messaging device
    Patent number: D570076
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: June 3, 2008
    Inventor: William Roper