Granted Patent
Utility
US 5,773,858 · App. 08/005,760
Power diode
Inventors:
Heinrich Schlangenotto, Karl-Heinz Sommer, Franz Kaussen
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Jan 19, 1993
Inventors
Heinrich Schlangenotto
Karl-Heinz Sommer
Franz Kaussen
Assignee (at issue)
EUPEC Europaeische Gesellschaft fur Leistungshalbleiter mbH
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.