Patents by Inventor Andrea J. Grazzini

Andrea J. Grazzini 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).

  • Mobile locator system
    Patent number: 6331825
    Abstract: A locator system comprises a locator device, a control center, a workstation and a computerized interface. The control center and the locator device are configured to communicate via cellular and pager signals.
    Type: Grant
    Filed: March 25, 1998
    Date of Patent: December 18, 2001
    Assignee: Peoplenet, Inc.
    Inventors: David L. Ladner, Andrea J. Grazzini, Ronald E. Konezny
  • Locator device
    Patent number: 6075458
    Abstract: A locator apparatus includes a receiver for receiving location information indicative of a location of the receiver. A memory is coupled to the receiver and stores the location information. A cellular transmitter is coupled to the memory and the receiver and transmits the location information to a second receiver. A data processing station processes the location information to determine the location of the receiver.
    Type: Grant
    Filed: January 10, 1997
    Date of Patent: June 13, 2000
    Assignee: Peoplenet, Inc.
    Inventors: David L. Ladner, Andrea J. Grazzini
  • Locator device
    Patent number: 5594425
    Abstract: A locator apparatus includes a receiver for receiving location information indicative of a location of the receiver. A memory is coupled to the receiver and stores the location information. A cellular transmitter is coupled to the memory and the receiver and transmits the location information to a second receiver. A data processing station processes the location information to determine the location of the receiver.
    Type: Grant
    Filed: October 31, 1994
    Date of Patent: January 14, 1997
    Assignee: Peoplenet, Inc.
    Inventors: David L. Ladner, Andrea J. Grazzini