Granted Patent
Utility
US 5,348,620 · App. 07/993,190
Method of treating papermaking fibers for making tissue
Inventors:
Michael Alan Hermans, Robert J. Makolin, Kristin Ann Goerg, Fung-jou Chen
Patented Case
View Patent ↗
Granted: Sep 20, 1994
Filed: Dec 18, 1992
Inventors
Michael Alan Hermans
Robert J. Makolin
Kristin Ann Goerg
Fung-jou Chen
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.