Patents by Inventor Alfred Chow

Alfred Chow 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 communications services vending method and apparatus
    Patent number: 6118860
    Abstract: An apparatus and method for vending public communications services. The apparatus includes a telephone, a multimedia terminal, and a payment receiver for receiving an authorization to accept charges for enabling use of at least one of the telephone and the multimedia terminal.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: September 12, 2000
    Assignee: Nortel Networks Corporation
    Inventors: Andrew Raines Hillson, Alfred Chow, Douglas Brock Dickie, Michael George Manson, John Maurice McDonald, James Marshall Judd, Nick Isgro, Bernard Gerald Jansen