Granted Patent
Utility
US 6,204,770 · App. 09/095,778
Master automotive sensor tester
Inventor:
Arthur D. Johnson
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Jun 11, 1998
Inventor
Arthur D. Johnson
Assignee (at issue)
Echlin, 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.