Granted Patent
Utility
US 6,447,640 · App. 09/836,928
Impingement air dry process for making absorbent sheet
Inventors:
Gary M. Watson, Steven L. Edwards
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Apr 18, 2001
Inventors
Gary M. Watson
Steven L. Edwards
Assignee (at issue)
Georgia-Pacific LLC
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.