Patents by Inventor Mark Menny Gordon

Mark Menny Gordon 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: 5884156
    Abstract: A portable communication device capable of operating in a telephony mode and in a dispatch mode is disclosed. The device includes a proximity sensor and a first speaker mounted on a front panel and a second speaker mounted on a rear panel. The operation of the speakers is controlled in accordance with the operational state of the device as well as the output of the proximity sensor.
    Type: Grant
    Filed: February 20, 1996
    Date of Patent: March 16, 1999
    Assignee: Geotek Communications Inc.
    Inventor: Mark Menny Gordon