Granted Patent
Utility
US 4,589,878 · App. 06/593,920
Disposable diaper
Inventor:
Sem Mitrani
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Mar 27, 1984
Inventor
Sem Mitrani
Assignee (at issue)
Beghin-Say, S.A.
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.