Granted Patent
Utility
US 4,313,253 · App. 06/113,388
Method of fabricating a charge transfer channel covered by a stepped insulating layer
Inventor:
Donald L. Henderson, Sr.
Patented Case
View Patent ↗
Granted: Feb 2, 1982
Filed: Jan 18, 1980
Inventor
Donald L. Henderson, Sr.
Assignee (at issue)
Burroughs, 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.