Granted Patent
Utility
US 5,728,569 · App. 08/300,688
Chicken anaemia agent vaccine
Inventor:
Carla Christina Schrier
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Sep 2, 1994
Inventor
Carla Christina Schrier
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.