Granted Patent
Utility
US 6,413,374 · App. 09/554,353
Threading device and method for threading the tail of the web
Inventors:
Mauri Laurikainen, Pauli Kytönen, Harri Kuosa, Pekka Koivukunnas, Markku Kyytsonen, Jorma Kinnunen, Vesa Ahvenniemi
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: May 12, 2000
Inventors
Mauri Laurikainen
Pauli Kytönen
Harri Kuosa
Pekka Koivukunnas
Markku Kyytsonen
Jorma Kinnunen
Vesa Ahvenniemi
Assignee (at issue)
Metso Paper Inc.
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.