Granted Patent
Utility
US 6,333,690 · App. 08/540,943
Wide area multipurpose tracking system
Inventors:
Bernard C. Nelson, Carlos Lugtu
Patented Case
View Patent ↗
Granted: Dec 25, 2001
Filed: Oct 11, 1995
Inventors
Bernard C. Nelson
Carlos Lugtu
Assignee (at issue)
Medical Tracking Systems, Inc.
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.