Granted Patent
Utility
US 6,315,887 · App. 09/435,348
Device and method for the purification of polluted water
Inventor:
Amir Salama
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Nov 8, 1999
Inventor
Amir Salama
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.