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Bj.o slashed.rn Eilertsen

EA Engineering & Drilling Machinery As: 2 patents #1 of 4Top 25%
Overall (All Time): #2,224,774 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6283203 Device for preventing pipe buckling 2001-09-04
6209851 Drill floor hole 2001-04-03