DM

David A. Mandina

GP Grant Prideco: 1 patents #22 of 58Top 40%
Overall (All Time): #3,333,453 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

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