Granted Patent
Utility
US 5,764,500 · App. 07/999,538
Switching power supply
Inventor:
Brian A. Matos
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: Dec 31, 1992
Inventor
Brian A. Matos
Assignee (at issue)
NORTHROP GRUMMAN 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.