Granted Patent
Utility
US 6,614,672 · App. 09/895,221
Voltage generator
Inventor:
Yoshihiro Shona
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Jul 2, 2001
Inventor
Yoshihiro Shona
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.