Granted Patent
Utility
US 6,693,471 · App. 10/252,682
Start-up circuit
Inventor:
Yuichi Matsushita
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Sep 24, 2002
Inventor
Yuichi Matsushita
Assignee (at issue)
OKI ELECTRIC INDUSTRY 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.