Granted Patent
Utility
US 4,648,347 · App. 06/738,739
Vacuum depositing apparatus
Inventors:
Hans Aichert, Volker Bauer, Albert Feuerstein, Horst Ranke
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: May 29, 1985
Inventors
Hans Aichert
Volker Bauer
Albert Feuerstein
Horst Ranke
Assignee (at issue)
Leybold-Heraeus 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.