Patents by Inventor Michael J. Heningan

Michael J. Heningan 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).

  • Disc file
    Patent number: D305280
    Type: Grant
    Filed: July 11, 1986
    Date of Patent: January 2, 1990
    Assignee: The Wolff Marketing Group Inc.
    Inventors: Stephen H. Wolff, Michael J. Heningan