NL

Newton Langford

Overall (All Time): #2,224,689 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6208806 Electric water heater control 2001-03-27
5956462 Domestic electric energy control 1999-09-21