Granted Patent
Utility
US 5,533,883 · App. 08/138,907
Spin pack for spinning synthetic polymeric fibers
Inventors:
John A. Hodan, Otto M. Ilg
Patented Case
View Patent ↗
Granted: Jul 9, 1996
Filed: Oct 18, 1993
Inventors
John A. Hodan
Otto M. Ilg
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.