BK

Bernard Mc Arthur Knippenberg

GE: 2 patents #13,562 of 36,430Top 40%
📍 Lawrenceburg, IN: #41 of 87 inventorsTop 50%
🗺 Indiana: #13,671 of 33,936 inventorsTop 45%
Overall (All Time): #2,186,361 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6678953 Method for making damped combustion cowl structure James E. Thompson, Robert Walmsley 2004-01-20
6497104 Damped combustion cowl structure James E. Thompson, Robert Walmsley 2002-12-24