Granted Patent
Utility
US 6,823,850 · App. 10/706,462
Evaporative emission system integrity module
Inventor:
Darrin Hurley
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Nov 12, 2003
Inventor
Darrin Hurley
Assignee (at issue)
Daimlerchrysler AG
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.