DK

Darko Kamenjasevic

GP Grant Prideco: 1 patents #22 of 58Top 40%
📍 Middelburg, NL: #29 of 65 inventorsTop 45%
Overall (All Time): #3,333,452 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7578166 Acoustic transducer calibration block and method Roger Edward Ethridge, David A. Mandina, Christopher S. O'Neal 2009-08-25