Granted Patent
Utility
US 6,033,895 · App. 09/259,741
Process for isolating and purifying viruses, soluble proteins and peptides from plant sources
Inventors:
Stephen J. Garger, R. Barry Holtz, Michael J. McCulloch, Thomas H. Turpen
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Feb 25, 1999
Inventors
Stephen J. Garger
R. Barry Holtz
Michael J. McCulloch
Thomas H. Turpen
Assignee (at issue)
Biosource Technologies, 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.