Patents by Inventor Klaus Enghofer

Klaus Enghofer 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).

  • Frame for multi-purpose eyeglasses
    Patent number: 4479703
    Abstract: The eyeglass frame comprises a rim and two bows, each of which has a forward end hinged to the rim and a rear end. Each of said bows is provided with a fastener element, which is connected to said bow and disposed at the rear end thereof and extensible from said rear end and adapted to be releasably connected to the other of said fastener elements.
    Type: Grant
    Filed: December 10, 1981
    Date of Patent: October 30, 1984
    Assignee: Karl Enghofer Metallwarenfabrik GmbH
    Inventor: Klaus Enghofer