Granted Patent
Utility
US 4,980,164 · App. 07/097,107
Strains of lactobacillus for enhancing feed conversion efficiency
Inventors:
Eugene T. Manfredi, Robert E. Miller
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Sep 21, 1987
Inventors
Eugene T. Manfredi
Robert E. Miller
Assignee (at issue)
Bio Techniques Laboratories, Inc.
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.