Granted Patent
Utility
US 6,143,113 · App. 09/032,851
Repulpable corrugated boxboard
Inventor:
Serge Berube
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Mar 2, 1998
Inventor
Serge Berube
Assignee (at issue)
Le Groupe Recherche I,D. 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.