Patents by Inventor Herman Doeinghaus

Herman Doeinghaus 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).

  • Swivel mounting unit
    Patent number: 4354654
    Abstract: A mount for a projector or the like has a base with a convex spherical bearing element rotatably mounted therein and having a guide slot on the convex surface and a concave support rests thereon with a depending pivot pin disposed in a tapered aperture in the bearing and a projection fitting in the guide slot for limiting tilting of the support.
    Type: Grant
    Filed: March 28, 1980
    Date of Patent: October 19, 1982
    Assignee: Nixdorf Computer AG
    Inventors: Franz Werner, Rudolf Schmeykal, Herman Doeinghaus