Granted Patent
Utility
US 6,653,937 · App. 09/971,260
Wide area multipurpose tracking system
Inventors:
Bernard C. Nelson, Carlos Lugtu
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Oct 4, 2001
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.