Granted Patent
Utility
US 4,410,867 · App. 06/197,878
Alpha tantalum thin film circuit device
Inventors:
Frank R. Arcidiacono, Gerard J. Koerckel
Patented Case
View Patent ↗
Granted: Oct 18, 1983
Filed: Oct 17, 1980
Inventors
Frank R. Arcidiacono
Gerard J. Koerckel
Assignee (at issue)
Western Electric Company, Inc.
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.