Patents by Inventor Martin J. Wondergem

Martin J. Wondergem 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: D314881
    Type: Grant
    Filed: March 16, 1988
    Date of Patent: February 26, 1991
    Assignee: Dart Industries Inc.
    Inventors: Martin J. Wondergem, William C. Cesaroni