Granted Patent
Utility
US 6,448,917 · App. 09/668,882
DAC using current source driving main resistor string
Inventors:
Ka Y. Leung, Douglas R. Holberg
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Sep 25, 2000
Inventors
Ka Y. Leung
Douglas R. Holberg
Assignee (at issue)
Cygnal Integrated Products, 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.