Granted Patent
Utility
US 4,556,590 · App. 06/619,072
Laminated packaging material
Inventor:
Laverne D. Martin
Patented Case
View Patent ↗
Granted: Dec 3, 1985
Filed: Jun 11, 1984
Inventor
Laverne D. Martin
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.