Granted Patent
Utility
US 6,241,503 · App. 08/650,787
Spin pack for spinning multiple component fiber yarns
Inventors:
Donald E. Wright, William C. Flynn, III
Patented Case
View Patent ↗
Granted: Jun 5, 2001
Filed: May 20, 1996
Inventors
Donald E. Wright
William C. Flynn, 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.