Patents by Inventor Benjamin L. Berkes

Benjamin L. Berkes 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).

  • Seal assembly for control lever
    Patent number: 4029324
    Abstract: A sealing assembly for a control lever that extends through an opening. The sealing assembly includes a plurality of stacked seal members that have mating surfaces which allow movement of the control lever about a pair of mutually perpendicular nonintersecting axes.
    Type: Grant
    Filed: June 4, 1976
    Date of Patent: June 14, 1977
    Assignee: General Motors Corporation
    Inventor: Benjamin L. Berkes