Granted Patent
Utility
US 4,824,545 · App. 07/134,362
Apparatus for coating substrates
Inventors:
Manfred Arnold, Peter Wirz
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: Dec 17, 1987
Inventors
Manfred Arnold
Peter Wirz
Assignee (at issue)
Leybold 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.