Granted Patent
Utility
US 6,205,899 · App. 09/394,258
Rotatable knife roll
Inventors:
Martin Blumle, Reinhard Raueiser
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Sep 10, 1999
Inventors
Martin Blumle
Reinhard Raueiser
Assignee (at issue)
WINKLER + DUNNEBIER AG
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.