BJ

Bengt R. Johansson

Overall (All Time): #2,358,803 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4458779 Silencer Lennart H. Slycke, Gote V. Norrbrand 1984-07-10
4253543 Device for absorption of airborne sound 1981-03-03