Granted Patent
Utility
US 6,554,599 · App. 09/827,792
Apparatus for spiral-boss heterofil spinneret
Inventors:
James Richard Goodall, John Stanley McConnell, Allan James Hastie
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Apr 6, 2001
Inventors
James Richard Goodall
John Stanley McConnell
Allan James Hastie
Assignee (at issue)
Arteva North America S.A.R.L.
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.