Granted Patent
Utility
US 6,800,115 · App. 10/168,047
Method and a device for gas treatment
Inventor:
Dag Arne Eimer
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Oct 25, 2002
Inventor
Dag Arne Eimer
Assignee (at issue)
NORSK HYDRO ASA
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.