Granted Patent
Utility
US 6,830,039 · App. 10/342,981
System and method for determining purge valve flow tolerance
Inventors:
Mark J. Duty, Gregory T. Weber
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Jan 15, 2003
Inventors
Mark J. Duty
Gregory T. Weber
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.