RL

Robert W. Levan

DN Dyno Nobel: 1 patents #39 of 69Top 60%
Overall (All Time): #2,067,661 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8390979 Method and system for communicating and controlling electric detonators Eldon K. Hurley, Cornelis L. Kome 2013-03-05
4938143 Booster shaped for high-efficiency detonating Ronald D. Thomas 1990-07-03