Granted Patent
Utility
US 6,085,646 · App. 09/128,486
Multiple nip calender for a paper making machine
Inventors:
Richard Lauterbach, Richard J. Santkuyl
Patented Case
View Patent ↗
Granted: Jul 11, 2000
Filed: Aug 4, 1998
Inventors
Richard Lauterbach
Richard J. Santkuyl
Assignee (at issue)
Beloit Technologies, 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.