Granted Patent
Utility
US 5,522,811 · App. 08/154,117
Topsheet for use in disposable body fluid absorptive goods
Inventors:
Takamitsu Igaue, Tsutomu Kido, Hisashi Takai
Patented Case
View Patent ↗
Granted: Jun 4, 1996
Filed: Nov 18, 1993
Inventors
Takamitsu Igaue
Tsutomu Kido
Hisashi Takai
Assignees (at issue)
Unicharm Corporation
Mitsui Petrochemical Industries, Ltd.
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.