Granted Patent
Utility
US 4,208,007 · App. 05/722,486
Paperboard tray
Inventors:
Robert A. Bamburg, Farris N. Duncan, Roger M. Floyd
Patented Case
View Patent ↗
Granted: Jun 17, 1980
Filed: Sep 13, 1976
Inventors
Robert A. Bamburg
Farris N. Duncan
Roger M. Floyd
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.