Granted Patent
Utility
US 6,489,893 · App. 09/709,956
System and method for tracking and monitoring prisoners using impulse radio technology
Inventors:
James L. Richards, Larry W. Fullerton, Donald A. Kelly, David C. Meigs, Timothy T. Payment, James S. Finn, William J. Tucker, William Welch
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Nov 10, 2000
Inventors
James L. Richards
Larry W. Fullerton
Donald A. Kelly
David C. Meigs
Timothy T. Payment
James S. Finn
William J. Tucker
William Welch
Assignee (at issue)
Time Domain Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.