Granted Patent
Utility
US 5,331,224 · App. 07/932,354
I.sub.cct leakage current interrupter
Inventors:
James R. Ohannes, Stephen W. Clukey
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Aug 19, 1992
Inventors
James R. Ohannes
Stephen W. Clukey
Assignee (at issue)
NATIONAL SEMICONDUCTOR 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.