Granted Patent
Utility
US 6,585,895 · App. 09/767,478
Wastewater treatment process
Inventors:
Stephen Smith, Howard E. C. Brown
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Jan 23, 2001
Inventors
Stephen Smith
Howard E. C. Brown
Assignee (at issue)
Rhodia, 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.