Granted Patent
Utility
US 4,355,721 · App. 06/173,748
Package for food products
Inventors:
Jack E. Knott, II, Matthew S. Koschak, John Adams
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: Jul 30, 1980
Inventors
Jack E. Knott, II
Matthew S. Koschak
John Adams
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.