Granted Patent
Utility
US 4,374,455 · App. 06/351,250
Method for manufacturing a vertical, grooved MOSFET
Inventor:
Lawrence A. Goodman
Patented Case
View Patent ↗
Granted: Feb 22, 1983
Filed: Feb 22, 1982
Inventor
Lawrence A. Goodman
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.