Granted Patent
Utility
US 4,867,049 · App. 07/164,934
Food product precooking method and apparatus
Inventor:
Norman B. Johnson
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Mar 7, 1988
Inventor
Norman B. Johnson
Assignee (at issue)
Mike-Sell's Potato Chip Co.
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.