Granted Patent
Utility
US 4,538,170 · App. 06/455,186
Power chip package
Inventor:
Alexander J. Yerman
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Jan 3, 1983
Inventor
Alexander J. Yerman
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.