Patents by Inventor John M. Sundheim

John M. Sundheim 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: D309309
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: July 17, 1990
    Assignee: Enersaver Products, Inc.
    Inventors: Gregory S. Sundheim, John M. Sundheim
  • Patent number: D351896
    Type: Grant
    Filed: June 9, 1993
    Date of Patent: October 25, 1994
    Inventors: Gregory S. Sundheim, John M. Sundheim
  • Patent number: D377179
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: January 7, 1997
    Assignee: Promax Amprobe Division of Core Industries, Inc.
    Inventors: Greg S. Sundheim, Brett W. Renck, Michael J. Ralph, John M. Sundheim