Granted Patent
Utility
US 6,249,253 · App. 09/290,623
Mobile radiotelephone determination using time of arrival of GPS and pilot signals
Inventors:
Jorgen S. Nielsen, Leo Strawczynski
Patented Case
View Patent ↗
Granted: Jun 19, 2001
Filed: Apr 13, 1999
Inventors
Jorgen S. Nielsen
Leo Strawczynski
Assignee (at issue)
Nortel Networks Limited
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.