Herbert; Roger P.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Herbert; Roger P..The latest application filed is for "method of forming and servicing wellbores from a main wellbore".
- Herbert; Roger P. - Spring TX
- Herbert; Roger P. - Lake Forest CA
| Patent | Date |
|---|---|
| Method of forming and servicing wellbores from a main wellbore Grant 6,279,658 - Donovan , et al. August 28, 2 | 2001-08-28 |
| Drilling system with an acoustic measurement-while-driving system for determining parameters of interest and controlling the drilling direction Grant 6,088,294 - Leggett, III , et al. July 11, 2 | 2000-07-11 |
| Time recorder for in-hole motors Grant 4,387,774 - Herbert June 14, 1 | 1983-06-14 |
| SEC | 0001326888 | Herbert Roger P |
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