Granted Patent
Utility
US 4,309,813 · App. 06/212,799
Mask alignment scheme for laterally and totally dielectrically isolated integrated circuits
Inventor:
Richard Hull
Patented Case
View Patent ↗
Granted: Jan 12, 1982
Filed: Dec 4, 1980
Inventor
Richard Hull
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.