Granted Patent
Utility
US 4,709,315 · App. 06/934,516
Isolated controller circuit
Inventor:
Richard Ramos
Patented Case
View Patent ↗
Granted: Nov 24, 1987
Filed: Nov 24, 1986
Inventor
Richard Ramos
Assignee (at issue)
Rockwell International 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.