Granted Patent
Utility
US 4,788,645 · App. 07/843,185
Method and apparatus for measuring relative heading changes in a vehicular onboard navigation system
Inventors:
Walter B. Zavoli, Kenneth A. Milnes, Glenn R. Peterson
Patented Case
View Patent ↗
Granted: Nov 29, 1988
Filed: Mar 21, 1986
Inventors
Walter B. Zavoli
Kenneth A. Milnes
Glenn R. Peterson
Assignee (at issue)
Etak, 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.