Patents by Inventor Robert Roy McGregor

Robert Roy McGregor 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).

  • Panel barrier system
    Patent number: D511009
    Type: Grant
    Filed: November 8, 2004
    Date of Patent: October 25, 2005
    Inventor: Robert Roy McGregor