Patents by Inventor Gary L. Heilman

Gary L. Heilman 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: D307695
    Type: Grant
    Filed: August 12, 1987
    Date of Patent: May 8, 1990
    Assignee: Dart Industries Inc.
    Inventors: William C. Cesaroni, Gary L. Heilman, Daniel E. Gremonprez