Granted Patent
Utility
US 6,522,115 · App. 09/370,271
Pulse-width-modulated DC-DC converter with a ramp generator
Inventor:
Norbert Greitschus
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Aug 9, 1999
Inventor
Norbert Greitschus
Assignee (at issue)
Micronas GmbH
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.