Ugwuocha; Sharp Okorie
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ugwuocha; Sharp Okorie.The latest application filed is for "earth removal member with features for facilitating drill-through".
- Ugwuocha; Sharp Okorie - Aberdeen GB
- Ugwuocha; Sharp Okorie - Cove Bay GB
| Patent | Date |
|---|---|
| Earth removal member with features for facilitating drill-through Grant 9,297,210 - Twardowski , et al. March 29, 2 | 2016-03-29 |
| Earth Removal Member With Features For Facilitating Drill-through App 20130327575 - TWARDOWSKI; Eric M. ; et al. | 2013-12-12 |
| Earth removal member with features for facilitating drill-through Grant 8,528,669 - Twardowski , et al. September 10, 2 | 2013-09-10 |
| Earth Removal Member With Features For Facilitating Drill-through App 20120103694 - Twardowski; Eric M. ; et al. | 2012-05-03 |
| Earth removal member with features for facilitating drill-through Grant 8,074,749 - Twardowski , et al. December 13, 2 | 2011-12-13 |
| Earth Removal Member With Features For Facilitating Drill-through App 20110061941 - Twardowski; Eric M. ; et al. | 2011-03-17 |
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