PG

P. F. M. De Groot

DA Den Norske Stats Oljeselskap A.S.: 1 patents #59 of 220Top 30%
ZY Zygo: 1 patents #54 of 99Top 55%
📍 Middletown, CT: #208 of 449 inventorsTop 50%
🗺 Connecticut: #15,609 of 34,797 inventorsTop 45%
Overall (All Time): #2,190,861 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6735526 Method of combining directional seismic attributes using a supervised learning approach Paul Meldahl, Roar Heggland, A. H. Bril 2004-05-11
5764362 Superheterodyne method and apparatus for measuring the refractive index of air using multiple-pass interferometry Henry A. Hill 1998-06-09