Granted Patent
Utility
US 6,569,422 · App. 10/192,469
Genetically engineered cell culture adapted infectious bursal diseases virus (IBDV) mutants
Inventors:
Adriaan Antonius Wilhelmus Maria van Loon, Egbert Mundt
Patented Case
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Granted: May 27, 2003
Filed: Jul 10, 2002
Inventors
Adriaan Antonius Wilhelmus Maria van Loon
Egbert Mundt
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.