Granted Patent
Utility
US 5,602,022 · App. 07/979,107
Production of infectious bursal disease virus in mammalian cell line
Inventors:
Piet Van Der Marel, Pieter G. Mooren
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Nov 20, 1992
Inventors
Piet Van Der Marel
Pieter G. Mooren
Assignee (at issue)
AKZO NOBEL N.V.
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.