Patents by Inventor Greg Kremer

Greg Kremer 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).

  • Personal tracking system integrated with base station
    Patent number: 5742509
    Abstract: The personal tracking system including the intelligent position determining means coupled with the cellular phone and the base station is disclosed. The base station includes a computer, a modem, and a telephone. The computer further includes base station software for communicating with the mobile unit. The mobile unit transmits the location data to the base station at certain times and at certain locations.
    Type: Grant
    Filed: April 11, 1995
    Date of Patent: April 21, 1998
    Assignee: Trimble Navigation Limited
    Inventors: Steven H. Goldberg, Greg Kremer, Paul M. Davis