Granted Patent
Utility
US 4,354,449 · App. 06/195,560
Two sided coater
Inventor:
Stanley C. Zink
Patented Case
View Patent ↗
Granted: Oct 19, 1982
Filed: Oct 9, 1980
Inventor
Stanley C. Zink
Assignee (at issue)
Black Clawson Company, 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.