CJ

Carl E. Johansson

📍 Le Lavandou, FR: #2 of 2 inventorsTop 100%
Overall (All Time): #2,372,558 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4211453 Rock drill bit lubrication system 1980-07-08
4183229 Flexible coupling 1980-01-15