Granted Patent
Utility
US 5,871,991 · App. 08/871,266
Aspergillus oryzae 5-aminolevulinic acid synthases and nucleic acids encoding same
Inventors:
Susan L. Elrod, Joel Cherry
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Jun 9, 1997
Inventors
Susan L. Elrod
Joel Cherry
Assignee (at issue)
Novo Nordisk Biotech, 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.