Patents by Inventor Robert J. Shrontz

Robert J. Shrontz 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).

  • Drive shaft assembly and method for making same
    Patent number: 4248062
    Abstract: A composite drive shaft having a hollow tubular, multi-layered fiber reinforced plastic shaft portion (11) with a metallic sleeve (13) inserted in and bonded thereto at least at one end, said sleeve (13) having universal joint connector means (12).
    Type: Grant
    Filed: October 5, 1979
    Date of Patent: February 3, 1981
    Assignee: Shakespeare Company
    Inventors: Philippe H. McLain, Robert J. Shrontz, Dominick Tringali