Granted Patent
Utility
US 6,683,799 · App. 10/115,591
Inverter protecting apparatus
Inventors:
Hideaki Kato, Takashi Ogawa, Tetsuo Nomoto, Yuichi Izawa
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Apr 2, 2002
Inventors
Hideaki Kato
Takashi Ogawa
Tetsuo Nomoto
Yuichi Izawa
Assignee (at issue)
SANYO ELECTRIC CO., LTD.
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.