Bharathwaj Kannan

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Sg. Bera Seria, BN

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Patents Grantslast 30 patents

Information Patent Grant
Screened valve system for selective well stimulation and control
- Patent number 7,950,461
- Issue date May 31, 2011
- Welldynamics, Inc.
- Kirby G. Schrader
- E21 - EARTH DRILLING MINING