Granted Patent
Utility
US 5,652,393 · App. 08/470,780
Method for collecting pressure data from a fuel tank
Inventor:
John Lawson
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Jun 6, 1995
Inventor
John Lawson
Assignee (at issue)
Chrysler Group LLC
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.