Granted Patent
Utility
US 5,169,670 · App. 07/803,845
Low saturate frying oil with fried flavor
Inventor:
David K. Yang
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: Dec 9, 1991
Inventor
David K. Yang
Assignee (at issue)
The Procter & Gamble 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.