Granted Patent
Utility
US 4,931,297 · App. 07/336,214
Food preservation process utilizing a blend of acidulants
Inventors:
Nancy R. Malyniak, James F. Meagher
Patented Case
View Patent ↗
Granted: Jun 5, 1990
Filed: Apr 11, 1989
Inventors
Nancy R. Malyniak
James F. Meagher
Assignee (at issue)
Robin Hood Multifoods 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.