Granted Patent
Utility
US 6,794,064 · App. 10/301,178
Hard coating coated parts
Inventor:
Jörg Vetter
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Nov 20, 2002
Inventor
Jörg Vetter
Assignee (at issue)
Metaplas Ionon Oberflachenveredelungstechnik 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.