Patents by Inventor Edward O. Dunstall

Edward O. Dunstall 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).

  • Telephone set
    Patent number: D295406
    Type: Grant
    Filed: October 16, 1986
    Date of Patent: April 26, 1988
    Assignee: The General Electric Company, p.l.c.
    Inventor: Edward O. Dunstall
  • Telephone set
    Patent number: D298937
    Type: Grant
    Filed: October 17, 1986
    Date of Patent: December 13, 1988
    Assignee: The General Electric Company, p.l.c.
    Inventors: Edward O. Dunstall, Maurice A. B. Newbould