Granted Patent
Utility
US 6,074,527 · App. 08/974,479
Production of soft paper products from coarse cellulosic fibers
Inventors:
Jay Hsu, Nauman Noorali Lakhani
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Nov 20, 1997
Inventors
Jay Hsu
Nauman Noorali Lakhani
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.