Granted Patent
Utility
US 4,584,520 · App. 06/588,463
Switchable current source circuitry having a current mirror and a switching transistor coupled in parallel
Inventor:
Charles Vinn
Patented Case
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Granted: Apr 22, 1986
Filed: Mar 12, 1984
Inventor
Charles Vinn
Assignee (at issue)
Raytheon Company
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.