Granted Patent
Utility
US 6,205,774 · App. 09/479,147
Method for detecting flow-reducing changes in an exhaust-gas catalyst body
Inventors:
Peter Hohner, Jorg Miroll, Hartung Wilstermann
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Jan 7, 2000
Inventors
Peter Hohner
Jorg Miroll
Hartung Wilstermann
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.