Granted Patent
Utility
US 5,489,539 · App. 08/179,177
Method of making quantum well structure with self-aligned gate
Inventor:
Randall L. Kubena
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: Jan 10, 1994
Inventor
Randall L. Kubena
Assignee (at issue)
Hughes Aircraft Company
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.