Patents by Inventor Alfred Zarount

Alfred Zarount 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).

  • Method and apparatus for apportioning call charges
    Patent number: 4224472
    Abstract: Apparatus is disclosed for apportioning charges on calls originating from coin telephones. At the end of the initial talking period which was paid for by the coin station, an overtime signal is sent to the called station. The called station signals if it will accept overtime charges and recognizing the signal from the called station, the control equipment prepares a bill for the overtime to be assessed to the called station.
    Type: Grant
    Filed: July 16, 1979
    Date of Patent: September 23, 1980
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventor: Alfred Zarount