Granted Patent
Utility
US 4,276,248 · App. 06/089,925
Methods for forming fibrous webs
Inventor:
Shiela E. Widnell
Patented Case
View Patent ↗
Granted: Jun 30, 1981
Filed: Oct 31, 1979
Inventor
Shiela E. Widnell
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.