Granted Patent
Utility
US 6,416,697 · App. 09/454,921
Method for obtaining a dual strata distribution of superabsorbent in a fibrous matrix
Inventors:
Michael Venturino, Randy Burr, John Wallace de Vos, Leon Robert Flesburg, David W. Heyn, Richard Francis Keller, Thomas George Olsen, Lorry F. Sallee
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Dec 3, 1999
Inventors
Michael Venturino
Randy Burr
John Wallace de Vos
Leon Robert Flesburg
David W. Heyn
Richard Francis Keller
Thomas George Olsen
Lorry F. Sallee
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.