Granted Patent
Utility
US 6,576,936 · App. 09/622,839
Bipolar transistor with an insulated gate electrode
Inventors:
Friedhelm Bauer, Hans-Rudolf Zeller
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Oct 10, 2000
Inventors
Friedhelm Bauer
Hans-Rudolf Zeller
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.