Granted Patent
Utility
US 5,604,501 · App. 08/327,174
Digital-to-analog converter with reduced number of resistors
Inventor:
Richard J. McPartland
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Oct 21, 1994
Inventor
Richard J. McPartland
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.