Granted Patent
Utility
US 5,190,010 · App. 07/801,467
Arrangement for regenerating a soot burn-off filter in the exhaust duct of an air-compressing fuel-injected internal-combustion engine
Inventors:
Wendelin Klugl, Walter Putz
Patented Case
View Patent ↗
Granted: Mar 2, 1993
Filed: Dec 2, 1991
Inventors
Wendelin Klugl
Walter Putz
Assignee (at issue)
MERCEDES-BENZ GROUP 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.