Granted Patent
Utility
US 5,017,404 · App. 07/403,429
Plasma CVD process using a plurality of overlapping plasma columns
Inventors:
Volker Paquet, Ulrich Ackermann, Heniz-W. Etzkorn, Ralf Kersten, Uwe Rutze
Patented Case
View Patent ↗
Granted: May 21, 1991
Filed: Sep 6, 1989
Inventors
Volker Paquet
Ulrich Ackermann
Heniz-W. Etzkorn
Ralf Kersten
Uwe Rutze
Assignee (at issue)
Schott Glaswerke
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.