Granted Patent
Utility
US 4,685,273 · App. 06/728,974
Method of forming a long shelf-life food package
Inventors:
Ali R. Caner, Kenneth B. Spencer
Patented Case
View Patent ↗
Granted: Aug 11, 1987
Filed: Apr 30, 1985
Inventors
Ali R. Caner
Kenneth B. Spencer
Assignee (at issue)
American Can 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.