Granted Patent
Utility
US 5,458,972 · App. 08/317,985
Multicomponent cross-section fiber
Inventor:
Gerry A. Hagen
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Oct 4, 1994
Inventor
Gerry A. Hagen
Assignee (at issue)
BASF SE
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.