Granted Patent
Utility
US 4,463,273 · App. 06/314,849
Electronic circuits and structures employing enhancement and depletion type IGFETs
Inventor:
Andrew G. F. Dingwall
Patented Case
View Patent ↗
Granted: Jul 31, 1984
Filed: Oct 26, 1981
Inventor
Andrew G. F. Dingwall
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.