Granted Patent
Utility
US 4,608,529 · App. 06/650,644
Constant voltage circuits
Inventor:
Andrew Mallinson
Patented Case
View Patent ↗
Granted: Aug 26, 1986
Filed: Sep 14, 1984
Inventor
Andrew Mallinson
Assignee (at issue)
Ferranti plc
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.