Granted Patent
Utility
US 6,159,270 · App. 09/040,755
Phytoremediation of metals
Inventors:
Ilya Raskin, Nanda P. B. A. Kumar, Slavik Douchenkov
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Mar 18, 1998
Inventors
Ilya Raskin
Nanda P. B. A. Kumar
Slavik Douchenkov
Assignee (at issue)
Edenspace Systems 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.