Granted Patent
Utility
US 6,012,583 · App. 09/153,526
Egg carton
Inventor:
Richard L. Ramirez
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Sep 15, 1998
Inventor
Richard L. Ramirez
Assignee (at issue)
Tekni-Plex, 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.