Granted Patent
Utility
US 4,648,175 · App. 06/743,849
Use of selectively deposited tungsten for contact formation and shunting metallization
Inventors:
Werner Metz, Nicholas J. Szluk, Gayle W. Miller, Michael J. Drury, Paul A. Sullivan
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Jun 12, 1985
Inventors
Werner Metz
Nicholas J. Szluk
Gayle W. Miller
Michael J. Drury
Paul A. Sullivan
Assignee (at issue)
NCR 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.