Granted Patent
Utility
US 5,263,949 · App. 07/454,220
Disposable diaper with barrier sheet
Inventors:
Hamzeh Karami, Ronald F. Vitaris
Patented Case
View Patent ↗
Granted: Nov 23, 1993
Filed: Dec 21, 1989
Inventors
Hamzeh Karami
Ronald F. Vitaris
Assignee (at issue)
The Kendall Company LP
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.