Granted Patent
Utility
US 5,055,313 · App. 07/602,547
Food preservative compositions
Inventor:
Beth Z. Warren
Patented Case
View Patent ↗
Granted: Oct 8, 1991
Filed: Oct 24, 1990
Inventor
Beth Z. Warren
Assignee (at issue)
Monsanto Company
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.