Granted Patent
Utility
US 5,423,970 · App. 08/164,908
Apparatus for reactive sputter coating at least one article
Inventor:
Eduard Kugler
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: Dec 10, 1993
Inventor
Eduard Kugler
Assignee (at issue)
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.