Granted Patent
Utility
US 5,991,692 · App. 08/579,903
Zero motion detection system for improved vehicle navigation system
Inventors:
Larry Spencer, Steven R. Croyle
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Dec 28, 1995
Inventors
Larry Spencer
Steven R. Croyle
Assignee (at issue)
Magellan Dis, 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.