Patents by Inventor Robert E. Isaacson

Robert E. Isaacson 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).

  • Splitter for antenna for AM-FM, CB and method of conversion
    Patent number: 4157547
    Abstract: An electrical circuit and method for providing electrical coupling from a CB antenna to both a CB (Citizen's Band--Class D) transceiver and to an AM-FM receiver (amplitude modulation--frequency modulation) whereby only a single antenna need be used for both CB transceiver and AM-FM receiver.
    Type: Grant
    Filed: March 10, 1977
    Date of Patent: June 5, 1979
    Assignee: Tenna Corporation
    Inventors: Ronald J. Freimark, Robert E. Isaacson