Granted Patent
Utility
US 6,755,977 · App. 10/176,428
Method in treating aqueous waste feedstream for improving the flux rates, cleaning and the useful life of filter media
Inventor:
Dennis A. Brunsell
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: Jun 19, 2002
Inventor
Dennis A. Brunsell
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.