Granted Patent
Utility
US 6,718,869 · App. 09/581,605
Tail threading method and finishing device for paper
Inventors:
Juha Laitio, Ismo Kallio, Veli-Pekka Koljonen
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Jun 15, 2000
Inventors
Juha Laitio
Ismo Kallio
Veli-Pekka Koljonen
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.