Granted Patent
Utility
US 6,225,853 · App. 09/055,999
Booster circuit
Inventor:
Yuichi Matsushita
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Apr 7, 1998
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.