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Patent applications and USPTO patent grants for Helton; Timothy W..The latest application filed is for "coplanar angular jetting head for well perforating".
Patent | Date |
---|---|
Coplanar angular jetting head for well perforating Grant 5,499,678 - Surjaatmadja , et al. March 19, 1 | 1996-03-19 |
Slow rotating mole apparatus Grant 5,484,016 - Surjaatmadja , et al. January 16, 1 | 1996-01-16 |
Well completions with expandable casing portions Grant 5,396,957 - Surjaatmadja , et al. March 14, 1 | 1995-03-14 |
Well completions with expandable casing portions Grant 5,325,923 - Surjaatmadja , et al. July 5, 1 | 1994-07-05 |
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