Granted Patent
Utility
US 5,149,673 · App. 07/762,492
Selective chemical vapor deposition of tungsten for microdynamic structures
Inventors:
Noel C. MacDonald, Liang-Yuh Chen, Zuoying L. Zhang
Patented Case
View Patent ↗
Granted: Sep 22, 1992
Filed: Sep 19, 1991
Inventors
Noel C. MacDonald
Liang-Yuh Chen
Zuoying L. Zhang
Assignee (at issue)
Cornell Research Foundation, 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.