Granted Patent
Utility
US 5,390,122 · App. 08/058,956
Method and apparatus for calibrating a vehicle compass system
Inventors:
Paul A. Michaels, Joseph F. Supinsky, Robert F. Spitz
Patented Case
View Patent ↗
Granted: Feb 14, 1995
Filed: May 7, 1993
Inventors
Paul A. Michaels
Joseph F. Supinsky
Robert F. Spitz
Assignee (at issue)
Lectron Products, 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.