Granted Patent
Utility
US 4,673,402 · App. 06/895,526
Absorbent articles with dual-layered cores
Inventors:
Paul Thomas Weisman, Dawn I. Houghton, Dale A. Gellert
Patented Case
View Patent ↗
Granted: Jun 16, 1987
Filed: Aug 11, 1986
Inventors
Paul Thomas Weisman
Dawn I. Houghton
Dale A. Gellert
Assignee (at issue)
The Procter & Gamble 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.