Granted Patent
Utility
US 6,646,884 · App. 09/980,382
Sandwich-structured intelligent power module
Inventors:
Michael Frisch, Bernd Winkens
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Apr 4, 2002
Inventors
Michael Frisch
Bernd Winkens
Assignee (at issue)
Tyco Electronics Logistics 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.