Granted Patent
Utility
US 6,667,583 · App. 10/141,051
Method and apparatus for efficiently driving a low-voltage device from a wide-range input supply
Inventor:
Ladislas G. Kerenyi
Patented Case
View Patent ↗
Granted: Dec 23, 2003
Filed: May 7, 2002
Inventor
Ladislas G. Kerenyi
Assignee (at issue)
Supertex, Inc.
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.