Kelly, Jr.; Martin J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kelly, Jr.; Martin J..The latest application filed is for "apparatus for use in drilling a well at an offshore location".
- Kelly, Jr.; Martin J. - Houston TX
- Kelly, Jr.; Martin J. - Indianapolis IN
| Patent | Date |
|---|---|
| Apparatus for use in drilling a well at an offshore location Grant 4,987,956 - Hansen , et al. January 29, 1 | 1991-01-29 |
| Detection of defects in a circular or spiral diffraction grating Grant 4,541,716 - Crooks , et al. September 17, 1 | 1985-09-17 |
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