Granted Patent
Utility
US 6,822,884 · App. 10/444,815
Pulse width modulated charge pump
Inventors:
Bruce David Rosenthal, Richard Landry Gray
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: May 22, 2003
Inventors
Bruce David Rosenthal
Richard Landry Gray
Assignee (at issue)
Analog Microelectronics 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.