Granted Patent
Utility
US 6,353,406 · App. 09/339,740
Dual mode tracking system
Inventors:
Colin Lanzl, Jay Werb
Patented Case
View Patent ↗
Granted: Mar 5, 2002
Filed: Jun 24, 1999
Inventors
Colin Lanzl
Jay Werb
Assignee (at issue)
RF Technologies, 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.