Granted Patent
Utility
US 6,569,398 · App. 09/846,659
Method for treating hydrogen sulfide-containing waste gases
Inventor:
Steve Fenderson
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Apr 30, 2001
Inventor
Steve Fenderson
Assignee (at issue)
GAA Engineered Systems, Inc.
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.