Granted Patent
Utility
US 6,138,903 · App. 09/137,627
Multi-ply corrugated paperboard container
Inventor:
Harold L. Baker
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Aug 21, 1998
Inventor
Harold L. Baker
Assignee (at issue)
Longview Fibre 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.