Granted Patent
Utility
US 6,146,838 · App. 08/820,017
Detecting water-borne parasites using electrochemiluminescence
Inventors:
Richard O. Williams, John Kenten
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Mar 18, 1997
Inventors
Richard O. Williams
John Kenten
Assignee (at issue)
IGEN International, Inc.
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.