Granted Patent
Utility
US 6,404,172 · App. 09/716,895
Method and apparatus for providing integrated buck or boost conversion
Inventor:
Marcus W. May
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Nov 20, 2000
Inventor
Marcus W. May
Assignee (at issue)
SIGMATEL, 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.