Granted Patent
Utility
US 6,278,393 · App. 09/372,892
Multiple output digital-to-analog converter
Inventors:
Douglas D. Lopata, Malcolm H. Smith
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Aug 12, 1999
Inventors
Douglas D. Lopata
Malcolm H. Smith
Assignee (at issue)
Agere Systems Guardian Corporation
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.