Granted Patent
Utility
US 4,244,752 · App. 06/017,842
Single mask method of fabricating complementary integrated circuits
Inventors:
Donald L. Henderson, Sr., Steven M. Baldwin, Raymond Pong
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Mar 6, 1979
Inventors
Donald L. Henderson, Sr.
Steven M. Baldwin
Raymond Pong
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.