Granted Patent
Utility
US 5,487,943 · App. 08/395,484
Multiconstituent fibers, and nonwoven structures of such fibers
Inventor:
Randall E. Kozulla
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Feb 27, 1995
Inventor
Randall E. Kozulla
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.