Granted Patent
Utility
US 4,559,896 · App. 06/648,198
Coating apparatus
Inventors:
Alfred E. Bossard, Kaspar Kuster
Patented Case
View Patent ↗
Granted: Dec 24, 1985
Filed: Sep 7, 1984
Inventors
Alfred E. Bossard
Kaspar Kuster
Assignee (at issue)
Ciba-Geigy
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.