Granted Patent
Utility
US 5,171,391 · App. 07/782,938
Method of making an absorbent product
Inventors:
Harry Chmielewski, John R. Cook, David George Unrau, Migaku Suzuki
Patented Case
View Patent ↗
Granted: Dec 15, 1992
Filed: Oct 25, 1991
Inventors
Harry Chmielewski
John R. Cook
David George Unrau
Migaku Suzuki
Assignee (at issue)
Weyerhaeuser NR 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.