Granted Patent
Utility
US 6,436,895 · App. 09/942,361
Dryer sheet process
Inventors:
Feng-Lung Gordon Hsu, Kevin Schnaudigel, Françoise Fredericks, Daniel Fox, Robert Ahart, John Lovas, David Van Blarcom, Kristina Marie Neuser
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Aug 29, 2001
Inventors
Feng-Lung Gordon Hsu
Kevin Schnaudigel
Françoise Fredericks
Daniel Fox
Robert Ahart
John Lovas
David Van Blarcom
Kristina Marie Neuser
Assignee (at issue)
Unilever Home & Personal Care USA, Division of Conopco, 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.