Granted Patent
Utility
US 4,863,753 · App. 07/213,650
Reduced calorie peanut butter
Inventors:
John E. Hunter, Jack R. Eck
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Jun 30, 1988
Inventors
John E. Hunter
Jack R. Eck
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.