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Patent applications and USPTO patent grants for Chawla; Manmohan Singh.The latest application filed is for "high density perforating gun system producing reduced debris".
Patent | Date |
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High Density Perforating Gun System Producing Reduced Debris App 20140083283 - Pratt; Dan W. ;   et al. | 2014-03-27 |
High Density Perforating Gun System Producing Reduced Debris App 20100000397 - Pratt; Dan W. ;   et al. | 2010-01-07 |
High density perforating gun system producing reduced debris App 20070240599 - Pratt; Dan W. ;   et al. | 2007-10-18 |
Fare card explosive detection system and process Grant 7,116,798 - Chawla October 3, 2 | 2006-10-03 |
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