Granted Patent
Utility
US 6,638,636 · App. 09/941,421
Breathable multilayer films with breakable skin layers
Inventor:
John Tucker
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Aug 28, 2001
Inventor
John Tucker
Assignee (at issue)
Kimberly-Clark Worldwide, 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.