Granted Patent
Utility
US 4,816,422 · App. 06/947,151
Fabrication of large power semiconductor composite by wafer interconnection of individual devices
Inventors:
Alexander J. Yerman, Constantine A. Neugebauer
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: Dec 29, 1986
Inventors
Alexander J. Yerman
Constantine A. Neugebauer
Assignee (at issue)
General Electric 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.