Granted Patent
Utility
US 5,882,415 · App. 08/725,814
Electron-beam continuous process vaporization installation for thermally high stressed substrata
Inventors:
Karl Heinz Helling, Bernd Wenzel
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Oct 7, 1996
Inventors
Karl Heinz Helling
Bernd Wenzel
Assignee (at issue)
VON ARDENNE Anlagentechnik 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.