Granted Patent
Utility
US 4,951,368 · App. 07/383,129
Apparatus for compressing material into a tampon
Inventor:
Jeffrey Louis Heinen
Patented Case
View Patent ↗
Granted: Aug 28, 1990
Filed: Jul 20, 1989
Inventor
Jeffrey Louis Heinen
Assignee (at issue)
Kimberly-Clark Inc.
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.