Granted Patent
Utility
US 4,783,231 · App. 07/041,511
Method of making a fibrous web comprising differentially cooled/thermally relaxed fibers
Inventor:
John M. Raley
Patented Case
View Patent ↗
Granted: Nov 8, 1988
Filed: Apr 23, 1987
Inventor
John M. Raley
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.