Patents by Inventor Wilhelm Schrader

Wilhelm Schrader 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).

  • Interior lighting for vehicles with rotatable mask
    Patent number: 4443834
    Abstract: Interior light for vehicles with a reading mode in which the beam can be directed toward either the driver or the front-seat passenger as desired. The light has an opaque screen (13) in the path of the rays of light between the bulb (6) and the reflector (1). The screen has a cutout (15). The reflector (1) consists of at least two paraboloid reflecting surfaces (8 and 9) with optical axes (10 and 11) that meet at an angle .alpha.. The mask (13) is adjusted so that the cutout (15) directs the light against one or the other of the reflecting surfaces (8 or 9).
    Type: Grant
    Filed: March 12, 1982
    Date of Patent: April 17, 1984
    Assignee: Westalische Metall Industrie KG Hueck & Co.
    Inventors: Heinz Schafer, Wilhelm Schrader