Granted Patent
Utility
US 4,948,811 · App. 07/187,184
Salad/cooking oil balanced for health benefits
Inventors:
Jonathan Spinner, Timothy B. Guffey, Peter Yau Tak Lin, Ronald J. Jandacek
Patented Case
View Patent ↗
Granted: Aug 14, 1990
Filed: Apr 28, 1988
Inventors
Jonathan Spinner
Timothy B. Guffey
Peter Yau Tak Lin
Ronald J. Jandacek
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.