JN

John Richard Nightall

Overall (All Time): #2,194,163 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6782833 Trackside power distribution systems — 2004-08-31
5990685 Apparatus for and method of monitoring an earth-leakage state of a power distribution system — 1999-11-23