HW

Helmut Winnacker

PG Precision Drilling Technology Services Group: 1 patents #5 of 15Top 35%
📍 Burgdorf, DE: #2 of 6 inventorsTop 35%
Overall (2003): #213,540 of 273,478Top 80%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6636159 Borehole logging apparatus for deep well drillings with a device for transmitting borehole measurement data — 2003-10-21