Granted Patent
Utility
US 6,346,294 · App. 09/301,135
Process for producing a non-wettable amorphous carbon coating on a component
Inventors:
Harald Reiss, Manfred Wetzko
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: Apr 28, 1999
Inventors
Harald Reiss
Manfred Wetzko
Assignee (at issue)
ABB PATENT 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.