Granted Patent
Utility
US 5,489,517 · App. 07/704,486
Secretion of insulin-like growth factor-I in E. coli
Inventors:
Edith Wong, Michael L. Bittner
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: May 23, 1991
Inventors
Edith Wong
Michael L. Bittner
Assignee (at issue)
Monsanto Company
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.