Granted Patent
Utility
US 4,789,702 · App. 06/873,681
Feline leukemia virus vaccine
Inventor:
Jack H. Nunberg
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: Jun 12, 1986
Inventor
Jack H. Nunberg
Assignee (at issue)
Cetus 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.