Granted Patent
Utility
US 4,448,638 · App. 06/426,973
Paper webs having high bulk and absorbency and process and apparatus for producing the same
Inventor:
Bernard G. Klowak
Patented Case
View Patent ↗
Granted: May 15, 1984
Filed: Sep 29, 1982
Inventor
Bernard G. Klowak
Assignee (at issue)
James River-Dixie Northern, 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.