Patents by Inventor Stephen Kenneth Cooper

Stephen Kenneth Cooper 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).

  • Signal coupler unit
    Patent number: D418074
    Type: Grant
    Filed: July 8, 1998
    Date of Patent: December 28, 1999
    Assignee: Northern Telecom Limited
    Inventors: Mark Edward Hicks, Stephen Kenneth Cooper, Richard Edward Hughes