Barnetche-Gonzalez; Eduardo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Barnetche-Gonzalez; Eduardo.The latest application filed is for "multiple stage drag turbine downhole motor".
- Barnetche-Gonzalez; Eduardo - Moselos MX
- Barnetche-Gonzalez; Eduardo - Mexico City 12 MX
| Patent | Date |
|---|---|
| Multiple stage drag turbine downhole motor Grant 5,098,258 - Barnetche-Gonzalez March 24, 1 | 1992-03-24 |
| Double cone cutting head for a drill bit Grant 4,967,854 - Barnetche-Gonzalez November 6, 1 | 1990-11-06 |
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