Patents by Inventor Philip E. Cornforth

Philip E. Cornforth 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).

  • Mobile radio telephone with booster unit
    Patent number: 5276918
    Abstract: A mobile radio telephone includes a hand-portable unit 1 and a booster unit 3. A coaxial cable 25 is arranged to produce a link between the intermediate frequency signals produced by the booster unit and RF signals produced by the hand-portable unit 1.
    Type: Grant
    Filed: November 13, 1991
    Date of Patent: January 4, 1994
    Assignee: Orbitel Mobile Communications Limited
    Inventors: Philip E. Cornforth, Robert O. Bristow, Hilary J. Cross