DR

David Rowatt

Schlumberger Technology: 1 patents #3,893 of 7,293Top 55%
Overall (All Time): #3,120,766 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8807966 Pump motor protector with redundant shaft seal Michael Hui Du, Arthur I. Watson, Chad Bremner, Arunkumar Arumugam, David Garrett +2 more 2014-08-19