Langford; Dale E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Langford; Dale E..The latest application filed is for "wellbore primary barrier and related systems".
- Langford; Dale E. - Lafayette LA
| Patent | Date |
|---|---|
| Wellbore primary barrier and related systems Grant 6,209,636 - Roberts , et al. April 3, 2 | 2001-04-03 |
| Wellbore milling system and method Grant 5,806,595 - Langford , et al. September 15, 1 | 1998-09-15 |
| Wellbore milling guide and method Grant 5,727,629 - Blizzard, Jr. , et al. March 17, 1 | 1998-03-17 |
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