Granted Patent
Utility
US 6,473,303 · App. 09/780,510
Cooling device for a high-power semiconductor module
Inventor:
Stefan Kaufmann
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Feb 12, 2001
Inventor
Stefan Kaufmann
Assignee (at issue)
ABB Schweiz AG
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.