Patents by Inventor Duane D. Fortune

Duane D. Fortune 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).

  • Controller housing with extender
    Patent number: D309605
    Type: Grant
    Filed: April 6, 1987
    Date of Patent: July 31, 1990
    Assignee: AT&T Company
    Inventors: Duane D. Fortune, Richard M. Joffe, Henry J. Mack, Jr., John N. McGarvey, Michael P. Zambelli