Granted Patent
Utility
US 6,181,265 · App. 09/285,455
Non-linear digital-to-analog converter
Inventor:
Won Kee Lee
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Apr 2, 1999
Inventor
Won Kee Lee
Assignee (at issue)
LG Semicon Co., Ltd.
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.