Patents by Inventor Jo Weisman

Jo Weisman 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: 4305101
    Abstract: A selective receiving and/or recording technique for broadcast audio and/or video programs where the broadcast signal has a tone code preceding each program segment to which a monitoring-receiving-recording device is responsive, either matching the tone code with a prestored list of orders for receiving and/or recording that broadcast segment or responding to a particular code so as to disable its associated recorder to thus protect copyrighted information.
    Type: Grant
    Filed: April 16, 1979
    Date of Patent: December 8, 1981
    Assignee: Codart, Inc.
    Inventors: Charles J. Yarbrough, Alan F. Strachan, Jo Weisman