Granted Patent
Utility
US 4,757,005 · App. 06/704,593
Method and cell line for obtaining plasminogen activators
Inventor:
Sham-Yuen Chan
Patented Case
View Patent ↗
Granted: Jul 12, 1988
Filed: Feb 22, 1985
Inventor
Sham-Yuen Chan
Assignee (at issue)
Miles 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.