Granted Patent
Utility
US 4,546,016 · App. 06/636,832
Deposition of borophosphosilicate glass
Inventor:
Werner Kern
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: Aug 6, 1984
Inventor
Werner Kern
Assignee (at issue)
RCA Corporation
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.