Patents by Inventor Theodor Janssen

Theodor Janssen 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).

  • Disc brake pads
    Patent number: 4022302
    Abstract: A disc brake pad support plate is coated with a thin (less than 0.1 mm) layer of latex, preferably nitrile latex, to reduce brake noise and eliminate brake squeal.
    Type: Grant
    Filed: May 29, 1975
    Date of Patent: May 10, 1977
    Assignee: Abex Pagid Reibbelag GmbH
    Inventor: Theodor Janssen