Patents by Inventor Ralf Eifer

Ralf Eifer 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).

  • Patent number: 4149048
    Abstract: A motor vehicle steering column switch has a direction indicator blinker light switch which includes two engagement positions and two change of lane tipping positions. The switch also is automatically readjustable such as by a head lamp low beam flasher switch. The switch includes an integral switching lever having a tubular switching arm through which electrical leads are guided. The switching lever includes a catch extension and an operating extension molded from a thermoplastic material. A removable slide is provided to facilitate assembly of the electrical leads within the switching lever.
    Type: Grant
    Filed: April 25, 1977
    Date of Patent: April 10, 1979
    Assignee: Firma Leopold Kostal
    Inventors: Friedhelm Winter, Klaus Buhle, Ralf Eifer