Granted Patent
Utility
US 6,161,428 · App. 09/240,987
Method and apparatus for evaluating the conversion capability of a catalytic converter
Inventors:
Gholamabas Esteghlal, Andreas Blumenstock
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Feb 1, 1999
Inventors
Gholamabas Esteghlal
Andreas Blumenstock
Assignee (at issue)
Robert Bosch GmbH
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.