Granted Patent
Utility
US 4,155,449 · App. 05/887,386
Returnable enclosed beverage carrier with improved top panel
Inventor:
Bruce W. Bryne
Patented Case
View Patent ↗
Granted: May 22, 1979
Filed: Mar 16, 1978
Inventor
Bruce W. Bryne
Assignee (at issue)
Olinkraft, Inc.
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.