Granted Patent
Utility
US 5,593,679 · App. 08/224,119
Poultry vaccine against E. coli air sac inflammation and septicaemia
Inventor:
Johannes Franciscus van den Bosch
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Apr 5, 1994
Inventor
Johannes Franciscus van den Bosch
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.