RG

Ralph Griffin

NG Northrop Grumman: 2 patents #475 of 2,250Top 25%
Overall (All Time): #1,597,434 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6856523 Level shifted drive for clamp device 2005-02-15
5717172 Sound suppressor exhaust structure William David Bard, David Brian Schein 1998-02-10
5083901 Electricity generating wind turbine John F. Ramo 1992-01-28