Granted Patent
Utility
US 6,404,388 · App. 09/489,477
Method and apparatus for enhanced 911 location using power control in a wireless system
Inventors:
Nelson Sollenberger, Jack Winters
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Jan 21, 2000
Inventors
Nelson Sollenberger
Jack Winters
Assignee (at issue)
AT&T WIRELESS SERVICES, 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.