Granted Patent
Utility
US 4,331,730 · App. 06/260,124
Fibrous web structure
Inventor:
Wayne P. Sorenson
Patented Case
View Patent ↗
Granted: May 25, 1982
Filed: May 4, 1981
Inventor
Wayne P. Sorenson
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.