Granted Patent
Utility
US 4,534,309 · App. 06/552,758
Paper coating apparatus
Inventors:
Wayne A. Damrau, William C. Vreeland, Richard Bernert, Albert Wohrle
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: Nov 17, 1983
Inventors
Wayne A. Damrau
William C. Vreeland
Richard Bernert
Albert Wohrle
Assignees (at issue)
Consolidated Papers, Inc.
J.M. Voith 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.