Granted Patent
Utility
US 5,383,870 · App. 08/114,839
Liquid-permeable topsheet for body fluid absorptive goods
Inventors:
Hisashi Takai, Tsutomu Kido
Patented Case
View Patent ↗
Granted: Jan 24, 1995
Filed: Sep 2, 1993
Inventors
Hisashi Takai
Tsutomu Kido
Assignees (at issue)
Mitsui Petrochemical Industries, Ltd.
Unicharm Corporation
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.