JR

Johannes Wilhelmus Henricus van Rijzingen

VI Varco I/P: 1 patents #16 of 43Top 40%
📍 Oosterhout, NL: #1 of 2 inventorsTop 50%
Overall (2005): #167,666 of 245,428Top 70%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6915857 Non-seize material attachment for a drill slip system Ronaldus Roling, David Mason 2005-07-12