Patents by Inventor Gunter F. Plamper

Gunter F. Plamper 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).

  • Door operator
    Patent number: 4560046
    Abstract: A door operator mechanism which has a motive power source and drive and a manual drive for use with a manual source of power. A mechanism is included which by the simple expedient of pulling a chain or cable disconnects the power source and associated driver and connects the manual drive for use of a manual source of power. Release of the cable causes the reverse.
    Type: Grant
    Filed: March 15, 1984
    Date of Patent: December 24, 1985
    Inventors: Mark M. Lorello, Gunter F. Plamper