RJ

Robert D. Johnson

NG Northrop Grumman: 1 patents #21 of 179Top 15%
📍 Mitchell, SD: #1 of 5 inventorsTop 20%
🗺 South Dakota: #27 of 126 inventorsTop 25%
Overall (2002): #128,243 of 266,432Top 50%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6424207 PWM active filter for DC power systems — 2002-07-23