Granted Patent
Utility
US 4,383,293 · App. 06/321,458
Isolated DC current sense circuit
Inventor:
Ronald H. Randall
Patented Case
View Patent ↗
Granted: May 10, 1983
Filed: Nov 16, 1981
Inventor
Ronald H. Randall
Assignee (at issue)
Acme Electric 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.