Granted Patent
Utility
US 4,663,280 · App. 06/558,547
Expression and secretion vectors and method of constructing vectors
Inventor:
Alan Sloma
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: Dec 2, 1983
Inventor
Alan Sloma
Assignee (at issue)
The Public Health Research Institute Of the City of New York, 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.