Granted Patent
Utility
US 5,608,401 · App. 08/365,527
Three-level digital-to-analog converter for low-power consumption
Inventors:
Thayamkulangara R. Viswanathan, Louis Albert Williams, III
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Dec 28, 1994
Inventors
Thayamkulangara R. Viswanathan
Louis Albert Williams, III
Assignee (at issue)
LUCENT TECHNOLOGIES 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.