Granted Patent
Utility
US 5,783,928 · App. 08/041,543
Storage capacitor power supply
Inventor:
Michio Okamura
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Apr 2, 1993
Inventor
Michio Okamura
Assignee (at issue)
JEOL 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.