DB

Dietrich Böttger

VI Varco I/P: 1 patents #13 of 36Top 40%
📍 Den Helder, NL: #1 of 2 inventorsTop 50%
Overall (2003): #236,512 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6527493 Handling of tube sections in a rig for subsoil drilling Herman M. Kamphorst, Gustaaf Louis van Wechem 2003-03-04