Granted Patent
Utility
US 6,811,642 · App. 10/038,322
Production method of absorbent body
Inventor:
Kengo Ochi
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Jan 3, 2002
Inventor
Kengo Ochi
Assignee (at issue)
Uni-Charm Petcare 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.