Granted Patent
Utility
US 5,932,099 · App. 08/823,533
Installation for biological water treatment for the production of drinkable water
Inventors:
Pierre Cote, Jacques Sibony, Annie Tazi-Pain, Michel Faivre
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Mar 24, 1997
Inventors
Pierre Cote
Jacques Sibony
Annie Tazi-Pain
Michel Faivre
Assignee (at issue)
Omnium de Traitement et de Valorisation
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.