Granted Patent
Utility
US 6,404,659 · App. 09/692,737
Electric power conversion apparatus
Inventor:
Kazunori Oyabe
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Oct 19, 2000
Inventor
Kazunori Oyabe
Assignee (at issue)
FUJI 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.