Patents by Inventor Michael J. Gertsman

Michael J. Gertsman 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).

  • Telephone or data switching system with variable protocol inter-office communication
    Patent number: 5140590
    Abstract: A method of producing interoffice signalling comprising storing program blocks for commanding generation, in a plurality of signalling protocols, of signalling signals in a communication switching system, storing correlations of particular ones of the program blocks with a particular protocol for signalling functions related to the process of a call to or from the communication switching system, enabling operation of the particular ones of the program blocks when a particular signalling signal is to be generated in the processing of a telephone call to or from the communication switching system, to match the particular protocol, whereby the communication switching system is enable to process calls restricted to the particular protocol out of the plurality of protocols for a particular call.
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: August 18, 1992
    Assignee: Mitel Corporation
    Inventors: Michael J. Gertsman, Ross M. MacGillivray