Granted Patent
Utility
US 4,808,404 · App. 07/141,953
Live vaccine for coccidiosis utilizing coccidial sporozoites
Inventor:
Balbir S. Bhogal
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Jan 11, 1988
Inventor
Balbir S. Bhogal
Assignee (at issue)
A. H. Robins Company, Incorporated
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.