Granted Patent
Utility
US 5,870,043 · App. 08/883,662
Pla dac circuit employing a test function
Inventor:
Mitsuhisa Hiromi
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Jun 27, 1997
Inventor
Mitsuhisa Hiromi
Assignee (at issue)
NEC 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.