Patents by Inventor David J. Sweet

David J. Sweet 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 exercising diagnostic functionality in product extensions
    Patent number: 5696605
    Abstract: A reprographic system having one or more peripheral devices or subsystems whose function is integrated therewith, including a communications link between the reprographic system and peripheral devices. Furthermore, the reprographic system would have the capability to determine the configuration of electromechanical components contained within the peripheral devices, as well as, the status or control states of the components.
    Type: Grant
    Filed: November 20, 1992
    Date of Patent: December 9, 1997
    Assignee: Xerox Corporation
    Inventors: William G. Miller, David J. Sweet
  • Method and apparatus for exercising diagnostic functionality in product extensions
    Patent number: 5221973
    Abstract: A reprographic system having one or more peripheral devices or subsystems whose function is integrated therewith, including a communications link between the reprographic system and peripheral devices. Furthermore, the reprographic system would have the capability to determine the configuration of electromechanical components contained within the peripheral devices, as well as, the status or control states of the components.
    Type: Grant
    Filed: September 24, 1990
    Date of Patent: June 22, 1993
    Assignee: Xerox Corporation
    Inventors: William G. Miller, David J. Sweet