Granted Patent
Utility
US 4,373,529 · App. 06/262,327
Tampon with wound pledget in the shape of a bell
Inventors:
Amnuey Lilaonitkul, Richard R. Tews
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: May 11, 1981
Inventors
Amnuey Lilaonitkul
Richard R. Tews
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.