Granted Patent
Utility
US 5,288,348 · App. 07/938,574
Method of making high loft and high strength nonwoven fabric
Inventor:
James P. Modrak
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Aug 31, 1992
Inventor
James P. Modrak
Assignee (at issue)
HERCULES LLC
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.