Granted Patent
Utility
US 4,818,696 · App. 06/616,950
Rhizobium japonicum symbiosis gene transfer
Inventors:
Edward Appelbaum, Thomas J. McLoughlin, Michael O'Connell
Patented Case
View Patent ↗
Granted: Apr 4, 1989
Filed: Jun 1, 1984
Inventors
Edward Appelbaum
Thomas J. McLoughlin
Michael O'Connell
Assignee (at issue)
Lubrizol Genetics, 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.