Granted Patent
Utility
US 6,249,252 · App. 09/299,115
Wireless location using multiple location estimators
Inventor:
Dennis J. Dupray
Patented Case
View Patent ↗
Granted: Jun 19, 2001
Filed: Apr 23, 1999
Inventor
Dennis J. Dupray
Assignee (at issue)
TracBeam LLC
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.