Granted Patent
Utility
US 6,480,147 · App. 09/860,375
Portable position determining device
Inventors:
Jennifer Durst, Eugene F. Fowler, Joseph C. McAlexander
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: May 18, 2001
Inventors
Jennifer Durst
Eugene F. Fowler
Joseph C. McAlexander
Assignee (at issue)
Jennifer Durst
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.