Granted Patent
Utility
US 6,651,679 · App. 10/014,370
Process for the breaking and cleaning of contaminant-containing raw paper stocks, in particular of recovered paper
Inventors:
Michael Danger, Peter Respondek, Reimund Rienecker, Samuel Schabel
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Dec 14, 2001
Inventors
Michael Danger
Peter Respondek
Reimund Rienecker
Samuel Schabel
Assignee (at issue)
Voith Paper Patent GmbH
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.