Patents by Inventor Joergen K. Korsemann

Joergen K. Korsemann 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).

  • Display device
    Patent number: 4171583
    Abstract: A display device having a rear plate and a front plate that is at least partially transparent. A supporting rail underlies and is attached to the rear plate, with the supporting rail having a front edge that extends upwardly. The front edge is spaced from the rear plate the thickness of the front plate and is operable to allow the front plate to be pivoted to an open position, allowing an article such as a photograph to be inserted between the front plate and the rear plate.
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: October 23, 1979
    Inventor: Joergen K. Korsemann