RR

Rosmalen R. Roling

VI Varco I/P: 1 patents #91 of 168Top 55%
📍 Oosterhout, NL: #45 of 117 inventorsTop 40%
Overall (All Time): #3,483,473 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6758280 Non-seize material attachment for a drill slip system J. W. H. Van Rijzingen, David Mason 2004-07-06