Granted Patent
Utility
US 6,640,973 · App. 09/600,829
Storage box for doctor blades employed in servicing of the face of a roll in a paper/board machine
Inventor:
Ilkka Eskelinen
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Jul 21, 2000
Inventor
Ilkka Eskelinen
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.