Granted Patent
Utility
US 5,560,974 · App. 08/370,614
Breathable non-woven composite barrier fabric and fabrication process
Inventor:
John D. Langley
Patented Case
View Patent ↗
Granted: Oct 1, 1996
Filed: Jan 10, 1995
Inventor
John D. Langley
Assignee (at issue)
Kappler Safety Group
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.