Granted Patent
Utility
US 5,208,024 · App. 07/764,991
Vaccine against E. coli septicaemia in poultry
Inventor:
Johannes Franciscus van den Bosch
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Sep 23, 1991
Inventor
Johannes Franciscus van den Bosch
Assignee (at issue)
Akzo 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.