Granted Patent
Utility
US 5,019,509 · App. 07/183,860
Method and compositions for the production of l-alanine and derivatives thereof
Inventor:
J. David Rozzell, Jr.
Patented Case
View Patent ↗
Granted: May 28, 1991
Filed: Apr 20, 1988
Inventor
J. David Rozzell, Jr.
Assignee (at issue)
Genetics Institute, LLC
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.