Granted Patent
Utility
US 5,647,909 · App. 08/475,288
Apparatus for applying coating to paper web including successive doctoring steps
Inventors:
Wayne A. Damrau, Michael A. Mayer
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Jun 7, 1995
Inventors
Wayne A. Damrau
Michael A. Mayer
Assignee (at issue)
Consolidated Papers, 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.