AC

Alistair Clark

DP Downhole Products Plc: 2 patents #4 of 7Top 60%
Overall (All Time): #2,208,497 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6659173 Downhole tool Ian Kirk, William Barron 2003-12-09
6401820 Downhole tool Ian Kirk, William Barron 2002-06-11