Granted Patent
Utility
US 4,841,606 · App. 07/220,042
Notched guide filament yarn interlacer
Inventor:
Andrew M. Coons, III
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Jul 15, 1988
Inventor
Andrew M. Coons, III
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.