Granted Patent
Utility
US 4,504,521 · App. 06/592,397
LPCVD Deposition of tantalum silicide
Inventors:
Alois E. Widmer, Roland Fehlmann
Patented Case
View Patent ↗
Granted: Mar 12, 1985
Filed: Mar 22, 1984
Inventors
Alois E. Widmer
Roland Fehlmann
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.