Granted Patent
Utility
US 5,792,336 · App. 08/823,673
Method for purification of wastewater from soluble substances
Inventors:
Roman Nikolaevsky, Maria Monosov, Efim Monosov, Eldad Sharony, David Gurevich
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Mar 24, 1997
Inventors
Roman Nikolaevsky
Maria Monosov
Efim Monosov
Eldad Sharony
David Gurevich
Assignee (at issue)
Elif Technologies Ltd.
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.