Patents by Inventor Kurt E. Hellwig

Kurt E. Hellwig 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).

  • Telephone moveable cradle lock
    Patent number: 4360714
    Abstract: A locking device for telecommunications transceivers includes a key operated lock cylinder contained in a frame designed to fit between a transceiver's side mounted cradle and the opposed side of the transceiver's base, a latch bar attached to the lock cylinder and rotatable with the lock cylinder to engage the cradle in such a manner as the frame may not be removed, the frame acting as a wedge which holds the cradle down and keeps the transceiver electrically inactive.
    Type: Grant
    Filed: September 2, 1980
    Date of Patent: November 23, 1982
    Assignee: Burroughs Corporation
    Inventor: Kurt E. Hellwig