Ramirez; Frank Seadio
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ramirez; Frank Seadio.The latest application filed is for "steerable rotary directional drilling method".
- Ramirez; Frank Seadio - Humble TX
| Patent | Date |
|---|---|
| Steerable rotary directional drilling method Grant 6,340,063 - Comeau , et al. January 22, 2 | 2002-01-22 |
| Steerable rotary drilling device and directional drilling method Grant 6,244,361 - Comeau , et al. June 12, 2 | 2001-06-12 |
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