Granted Patent
Utility
US 6,002,563 · App. 09/146,616
Plug-in power module incorporating ground-fault detection and reporting
Inventors:
Gregory F. Esakoff, David W. Cunningham
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Sep 3, 1998
Inventors
Gregory F. Esakoff
David W. Cunningham
Assignee (at issue)
Electronic Theatre Controls, Inc.
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.