Granted Patent
Utility
US 4,759,754 · App. 07/089,781
Sanitary napkin
Inventor:
Ralf Korpman
Patented Case
View Patent ↗
Granted: Jul 26, 1988
Filed: Aug 26, 1987
Inventor
Ralf Korpman
Assignee (at issue)
Personal Products 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.