Granted Patent
Utility
US 5,616,374 · App. 08/486,571
Method for deposition of amorphous hard carbon films
Inventor:
Kentaro Sho
Patented Case
View Patent ↗
Granted: Apr 1, 1997
Filed: Jun 7, 1995
Inventor
Kentaro Sho
Assignee (at issue)
Zexel 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.