Granted Patent
Utility
US 5,643,756 · App. 08/110,300
Fusion glycoproteins
Inventors:
Samuel Kayman, Abraham Pinter
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Aug 20, 1993
Inventors
Samuel Kayman
Abraham Pinter
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.