Granted Patent
Utility
US 4,605,402 · App. 06/641,549
Softening of a composite absorbent product
Inventor:
Michael Iskra
Patented Case
View Patent ↗
Granted: Aug 12, 1986
Filed: Aug 17, 1984
Inventor
Michael Iskra
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.