Granted Patent
Utility
US 5,684,688 · App. 08/668,885
Soft switching three-level inverter
Inventors:
Didier Gilbert Rouaud, Tony Aboumrad
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Jun 24, 1996
Inventors
Didier Gilbert Rouaud
Tony Aboumrad
Assignee (at issue)
Reliance Electric Industrial Company
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.