Granted Patent
Utility
US 5,269,883 · App. 07/618,202
Method for controlling basis weight in the production of stretchable webs
Inventor:
Paul Douglas Beuther
Patented Case
View Patent ↗
Granted: Dec 14, 1993
Filed: Nov 26, 1990
Inventor
Paul Douglas Beuther
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.