Patents by Inventor Eric Robert James McGregor

Eric Robert James 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).

  • Present card
    Patent number: 4012858
    Abstract: A greeting's card is given additional utility by forming one of its leaves with a perimetral frame, so that such leaf, with the other leaf attached or detached as desired, can be used as a picture frame or photograph frame.
    Type: Grant
    Filed: July 25, 1975
    Date of Patent: March 22, 1977
    Inventor: Eric Robert James McGregor