HP

Helmut Palm

BG Bergwerksverband Gmbh: 1 patents #90 of 243Top 40%
RA Ruhrkohle Ag: 1 patents #23 of 88Top 30%
Overall (All Time): #3,753,694 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5560437 Telemetry method for cable-drilled boreholes and method for carrying it out Udo Dickel, Clemens Hinz 1996-10-01