Granted Patent
Utility
US 6,669,849 · App. 08/809,044
Water treatment process
Inventors:
Hung Nguyen, Donald Bursill, James Morran, Mary Drikas, Veronica Pearce
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: May 30, 1997
Inventors
Hung Nguyen
Donald Bursill
James Morran
Mary Drikas
Veronica Pearce
Assignee (at issue)
Orica Australia Pty Ltd
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.