Patents by Inventor Lawrence A. Delss

Lawrence A. Delss 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).

  • Public switched telephone network access to public data network
    Patent number: 5315641
    Abstract: A system and method for providing Feature Group B or Feature Group D access to the public data network for effecting point of sale transactions such as credit card authorization. The credit card authorization device includes a modem and auto-dialing mechanism which is connected by a station line to an originating central office switch. The originating central office switch is connected via Feature Group B or Feature Group D trunks to a designated destination central office including a stored program control (SPC) switch. The destination central office is a functioning central office connected to other central offices by non-Feature Group trunks. The Feature Group trunks are connected by the switch in the destination central office to a designated line which is connected to a line side modem which is connected via the public data network to a host computer for effecting the credit card authorization.
    Type: Grant
    Filed: October 14, 1992
    Date of Patent: May 24, 1994
    Assignee: Bell Atlantic Network Services, Inc.
    Inventors: Robert H. Montgomery, Lawrence A. Delss