Granted Patent
Utility
US 4,296,370 · App. 06/083,640
Method of detecting a thin insulating film over a conductor
Inventors:
Robert B. Comizzoli, Robert D. Vibronek
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: Oct 11, 1979
Inventors
Robert B. Comizzoli
Robert D. Vibronek
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.