Patents by Inventor Robert O. Uffmann

Robert O. Uffmann 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).

  • Perforated magnetic card
    Patent number: 6153280
    Abstract: A magnetic card having a flexible magnetic sheet material bonded to a flexible card blank, the combined blank and magnetic sheet having a magnet panel defined by lines of weakness that allow a user to easily separate and remove the magnet panel from the rest of the magnetic card.
    Type: Grant
    Filed: June 8, 1998
    Date of Patent: November 28, 2000
    Assignee: Magnet, LLC
    Inventor: Robert O. Uffmann