Granted Patent
Utility
US 6,447,646 · App. 09/890,342
Doctor assembly in a paper machine with a jointed bearing
Inventors:
Reijo Hassinen, Samppa Salminen
Patented Case
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Granted: Sep 10, 2002
Filed: Jul 26, 2001
Inventors
Reijo Hassinen
Samppa Salminen
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.