Granted Patent
Utility
US 5,169,669 · App. 07/765,336
Cooking oils
Inventors:
Louis V. Haynes, Edmund P. Pultinas, Jr.
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: Sep 25, 1991
Inventors
Louis V. Haynes
Edmund P. Pultinas, Jr.
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.