Granted Patent
Utility
US 6,699,684 · App. 10/201,088
Method of monitoring biofouling in membrane separation systems
Inventors:
Bosco Ho, May Wu, E. H. Kelle Zeiher, Mita Chattoraj
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Jul 23, 2002
Inventors
Bosco Ho
May Wu
E. H. Kelle Zeiher
Mita Chattoraj
Assignee (at issue)
Nalco Company LLC
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.