Granted Patent
Utility
US 6,506,308 · App. 09/659,939
Methods for the removal of organic substances from aqueous solutions
Inventor:
John M. Rolf
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Sep 12, 2000
Inventor
John M. Rolf
Assignee (at issue)
Advanced Minerals Corporation
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.