Granted Patent
Utility
US 4,464,825 · App. 06/467,295
Process for fabrication of high-speed radiation hard bipolar semiconductor devices
Inventor:
Kenneth A. Ports
Patented Case
View Patent ↗
Granted: Aug 14, 1984
Filed: Feb 17, 1983
Inventor
Kenneth A. Ports
Assignee (at issue)
HARRIS 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.