Granted Patent
Utility
US 4,655,756 · App. 06/771,881
Treated non-woven material
Inventor:
David Melville Fawkes
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Sep 3, 1985
Inventor
David Melville Fawkes
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.