Granted Patent
Utility
US 4,770,920 · App. 06/938,590
Lamination anchoring method and product thereof
Inventor:
Lionel M. Larsonneur
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Dec 5, 1986
Inventor
Lionel M. Larsonneur
Assignee (at issue)
Paper-Pak Products, 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.