Granted Patent
Utility
US 6,607,638 · App. 10/185,614
Process for increasing the softness of base webs and products made therefrom
Inventors:
Robert A. Drew, Patricia Riedl, Peter Allen, Brian Klaubert, Paul Arnold, Susan Smith, Michael Alan Hermans, Phil S. Lin
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Jun 28, 2002
Inventors
Robert A. Drew
Patricia Riedl
Peter Allen
Brian Klaubert
Paul Arnold
Susan Smith
Michael Alan Hermans
Phil S. Lin
Assignee (at issue)
Kimberly-Clark Worldwide, Inc.
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.