Patents by Inventor Ian Proud

Ian Proud 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: D515151
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: February 14, 2006
    Assignee: Playworld Systems, Inc.
    Inventors: Ian Proud, Eric Tritsch
  • Patent number: D528613
    Type: Grant
    Filed: October 13, 2005
    Date of Patent: September 19, 2006
    Assignee: Playworld Systems, Inc.
    Inventors: Ian Proud, Eric Tritsch
  • Patent number: D529106
    Type: Grant
    Filed: October 13, 2005
    Date of Patent: September 26, 2006
    Assignee: Playworld Systems, Inc.
    Inventors: Ian Proud, Eric Tritsch