Granted Patent
Utility
US 6,656,330 · App. 09/886,678
Coating installation for disk-form workpieces
Inventor:
Thomas Matt
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Jun 21, 2001
Inventor
Thomas Matt
Assignee (at issue)
Unaxis Balzers Aktiengesellschaft
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.