Patents by Inventor Charles J. Hannon

Charles J. Hannon 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).

  • Adaptor set for converting standard telephone into cordless telephone
    Patent number: 4908847
    Abstract: A conversion kit, consisting of a two piece adaptor set, allows a conventional non-cordless telephone to be converted to a cordless telephone. Each piece consists of a unitary body which houses a transmitter/receiver therein and a conventional modular male telephone plug. To convert a standard non-cordless telephone to a cordless telephone, the telephone cord is removed and one of the transmitter/receivers is plugged into the socket on the telephone base and the other into the corresponding cord socket on the handset.
    Type: Grant
    Filed: November 10, 1988
    Date of Patent: March 13, 1990
    Assignee: Telcor, Inc.
    Inventors: Charles J. Hannon, Bruce M. Gallo