Granted Patent
Utility
US 4,954,618 · App. 07/280,963
Cloned streptococcal genes encoding protein G and their use to construct recombinant microorganisms to produce protein G
Inventor:
Stephen R. Fahnestock
Patented Case
View Patent ↗
Granted: Sep 4, 1990
Filed: Mar 15, 1989
Inventor
Stephen R. Fahnestock
Assignee (at issue)
Genex Corporation
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.