Granted Patent
Utility
US 6,191,221 · App. 09/163,128
Breathable film compositions and articles and method
Inventors:
Larry H. McAmish, Timothy Huskey
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Sep 29, 1998
Inventors
Larry H. McAmish
Timothy Huskey
Assignee (at issue)
Polytec GmbH
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.