Kubena, Jr.; Edwin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kubena, Jr.; Edwin.The latest application filed is for "method for stabilizing boreholes".
- Kubena, Jr.; Edwin - Richmond TX
| Patent | Date |
|---|---|
| Method for stabilizing boreholes Grant 5,211,250 - Kubena, Jr. , et al. May 18, 1 | 1993-05-18 |
| Method of controlling lost circulation in well drilling Grant 4,957,174 - Whitfill , et al. September 18, 1 | 1990-09-18 |
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