Granted Patent
Utility
US 5,469,093 · App. 08/333,264
Current mirror drive circuit with high breakdown voltage
Inventor:
Iain R. MacDonald
Patented Case
View Patent ↗
Granted: Nov 21, 1995
Filed: Nov 2, 1994
Inventor
Iain R. MacDonald
Assignee (at issue)
Plessey Semiconductors 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.