Granted Patent
Utility
US 4,411,060 · App. 06/280,600
Method of manufacturing dielectrically-isolated single-crystal semiconductor substrates
Inventor:
Kon H. Cho
Patented Case
View Patent ↗
Granted: Oct 25, 1983
Filed: Jul 6, 1981
Inventor
Kon H. Cho
Assignee (at issue)
Western Electric Company, 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.