Granted Patent
Utility
US 5,674,587 · App. 08/308,017
Apparatus for making nonwoven fabrics having raised portions
Inventors:
William A. James, William G. F. Kelly
Patented Case
View Patent ↗
Granted: Oct 7, 1997
Filed: Sep 16, 1994
Inventors
William A. James
William G. F. Kelly
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.