Granted Patent
Utility
US 6,521,095 · App. 10/068,538
Composite vane hinge in a headbox
Inventor:
James Bonander
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Feb 5, 2002
Inventor
James Bonander
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.