Granted Patent
Utility
US 5,637,148 · App. 08/529,467
Apparatus for coating board-shaped piece material on both sides
Inventors:
Kaspar Kuster, Anton Ruegge
Patented Case
View Patent ↗
Granted: Jun 10, 1997
Filed: Sep 18, 1995
Inventors
Kaspar Kuster
Anton Ruegge
Assignee (at issue)
Ciba Specialty Chemicals Corporation
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.