Granted Patent
Utility
US 6,774,080 · App. 10/303,616
Gas treatment device comprising SMSI material and methods for making and using the same
Inventors:
William LaBarge, Richard Beckmeyer, Joachim Kupe
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Nov 25, 2002
Inventors
William LaBarge
Richard Beckmeyer
Joachim Kupe
Assignee (at issue)
Delphi Technologies
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.