Granted Patent
Utility
US 6,140,929 · App. 09/208,054
Self-testing grounding device
Inventor:
Joseph R. Gannon
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Dec 9, 1998
Inventor
Joseph R. Gannon
Assignee (at issue)
LUCENT TECHNOLOGIES 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.