Granted Patent
Utility
US 4,241,130 · App. 05/901,438
Abrasion and crack resistant package laminate
Inventor:
Donald Barnes
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: May 1, 1978
Inventor
Donald Barnes
Assignee (at issue)
Champion International Corporation Limited
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.