Granted Patent
Utility
US 6,168,764 · App. 08/996,154
Method and catalyst for reducing pollutants in gases
Inventors:
Walter Boegner, Christine De Saint-Aubin
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Dec 22, 1997
Inventors
Walter Boegner
Christine De Saint-Aubin
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.