Granted Patent
Utility
US 5,977,611 · App. 09/055,795
Power diode and hybrid diode, voltage limiter and freewheeling diode having the power diode
Inventors:
Roland Sittig, Karim-Thomas Taghizadeh-Kaschani
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Apr 6, 1998
Inventors
Roland Sittig
Karim-Thomas Taghizadeh-Kaschani
Assignee (at issue)
Siemens Aktiengesellschaft
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.