Granted Patent
Utility
US 4,923,549 · App. 07/374,686
Method of making a multilayer polymeric film having dead bend characteristics
Inventor:
Steven B. Warner
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Jun 30, 1989
Inventor
Steven B. Warner
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.