Granted Patent
Utility
US 5,517,396 · App. 08/243,914
Power supply apparatus having AC-DC converter
Inventor:
Satoshi Murata
Patented Case
View Patent ↗
Granted: May 14, 1996
Filed: May 17, 1994
Inventor
Satoshi Murata
Assignee (at issue)
NEC CORPORATION
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.