Granted Patent
Utility
US 4,586,119 · App. 06/600,701
Off-line switching mode power supply
Inventor:
Leonard Sutton
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Apr 16, 1984
Inventor
Leonard Sutton
Assignee (at issue)
ITT 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.