Granted Patent
Utility
US 5,266,347 · App. 07/827,198
Antibiotic biomass animal feed compositions
Inventor:
Bruce D. King
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Jan 28, 1992
Inventor
Bruce D. King
Assignee (at issue)
Ducoa, L.P.
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.