Granted Patent
Utility
US 4,591,890 · App. 06/450,869
Radiation hard MOS devices and methods for the manufacture thereof
Inventors:
Clarence A. Lund, Michael Sugino
Patented Case
View Patent ↗
Granted: May 27, 1986
Filed: Dec 20, 1982
Inventors
Clarence A. Lund
Michael Sugino
Assignee (at issue)
Motorola, 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.