Patents by Inventor Kenneth Duffy

Kenneth Duffy 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).

  • Patent number: 5230096
    Abstract: A radio receiver antenna arrangement incorporating an RF pre-amplifier (5) wherein circuitry (11 to 21) is provided for by-passing the pre-amplifier when strong signals are picked up by the antenna (1) to avoid overloading the pre-amplifier.
    Type: Grant
    Filed: March 12, 1991
    Date of Patent: July 20, 1993
    Assignee: The General Electric Company, p.l.c.
    Inventors: John Davies, Kenneth Duffy, Imtiaz Zafar