Patents by Inventor Murray F. Kaminsky

Murray F. Kaminsky 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: 4472600
    Abstract: In an interconnect PABX, which does not have an answer signal returned thereto, decision logic makes use of returned audible busy and ring-back signals to determine if a connection extended through a telephone utility network to a called station is completed.
    Type: Grant
    Filed: February 28, 1983
    Date of Patent: September 18, 1984
    Assignee: RCA Corporation
    Inventor: Murray F. Kaminsky
  • Patent number: RE32263
    Abstract: In an interconnect .[.PABX.]., .Iadd.telephone equipment .Iaddend.which does not have an answer signal returned thereto, decision logic makes use of returned audible busy and ring-back signals to determine if a connection extended through a telephone utility network to a called station is completed.
    Type: Grant
    Filed: March 21, 1985
    Date of Patent: October 7, 1986
    Assignee: RCA Corporation
    Inventor: Murray F. Kaminsky