Granted Patent
Utility
US 4,393,085 · App. 06/292,473
Enzyme digestion for a dog food of improved palatability
Inventors:
Joseph E. Spradlin, Jeffrey D. Morgan, Allan Olson, Joseph Howley
Patented Case
View Patent ↗
Granted: Jul 12, 1983
Filed: Aug 13, 1981
Inventors
Joseph E. Spradlin
Jeffrey D. Morgan
Allan Olson
Joseph Howley
Assignee (at issue)
General Foods Limited
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.