Granted Patent
Utility
US 4,758,239 · App. 06/926,033
Breathable barrier
Inventors:
Richard S. Yeo, Daniel Kenneth Schiffer
Patented Case
View Patent ↗
Granted: Jul 19, 1988
Filed: Oct 31, 1986
Inventors
Richard S. Yeo
Daniel Kenneth Schiffer
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.