HW

Helmut Weichart

PG Prakla-Seismos Gmbh: 3 patents #1 of 13Top 8%
Overall (All Time): #1,650,144 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5404340 Marine seismic streamer with a device for damping oscillations Manfred Technau, Andreas Laake 1995-04-04
5394379 Hydrophone Manfred Technau 1995-02-28
4204188 Cable for sea seismic exploration Jurgen Schimdt 1980-05-20