Granted Patent
Utility
US 4,885,357 · App. 07/184,348
Modified zein proteins containing lysine
Inventors:
Brian Larkins, Richard E. Cuellar
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: Apr 21, 1988
Inventors
Brian Larkins
Richard E. Cuellar
Assignees (at issue)
Lubrizol Genetics, Inc.
PURDUE RESEARCH FOUNDATION
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.