Granted Patent
Utility
US 5,492,598 · App. 08/307,989
Method for increasing the internal bulk of throughdried tissue
Inventors:
Michael Alan Hermans, Fung-jou Chen, Harry L. Spiegelberg, Bernhardt E. Kressner, Janice G. Nielsen
Patented Case
View Patent ↗
Granted: Feb 20, 1996
Filed: Sep 14, 1994
Inventors
Michael Alan Hermans
Fung-jou Chen
Harry L. Spiegelberg
Bernhardt E. Kressner
Janice G. Nielsen
Assignee (at issue)
Kimberly-Clark 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.