Patents by Inventor Edward J. Peterson

Edward J. Peterson 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).

  • Conference telephone microphone control unit
    Patent number: D277282
    Type: Grant
    Filed: March 17, 1982
    Date of Patent: January 22, 1985
    Assignee: AT&T Bell Laboratories
    Inventors: William L. Barton, III, Edward J. Peterson, Gordon E. Sylvester