Granted Patent
Utility
US 6,417,786 · App. 09/197,968
Vehicle navigation system with removable positioning receiver
Inventors:
Stephen J. Learman, Clifford Krapfl
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Nov 23, 1998
Inventors
Stephen J. Learman
Clifford Krapfl
Assignee (at issue)
Lear Automotive Dearborn, 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.