Granted Patent
Utility
US 6,192,312 · App. 09/276,377
Position determining program and method
Inventor:
Klaus Hummelsheim
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Mar 25, 1999
Inventor
Klaus Hummelsheim
Assignee (at issue)
Navigation Technologies Corp.
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.