Granted Patent
Utility
US 5,324,639 · App. 08/023,463
Production of insulin-like growth factor-1 in methylotrophic yeast cells
Inventors:
Russell A. Brierley, Geneva R. Davis, Gregory C. Holtz
Patented Case
View Patent ↗
Granted: Jun 28, 1994
Filed: Feb 25, 1993
Inventors
Russell A. Brierley
Geneva R. Davis
Gregory C. Holtz
Assignee (at issue)
The Salk Institute Biotechnology/Industrial Assoc. 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.