Marr; Graeme Thomas
Patent Applications and Registrations
Patent applications and USPTO patent grants for Marr; Graeme Thomas.The latest application filed is for "stop collar".
- Marr; Graeme Thomas - Aberdeenshire GB
- Marr; Graeme Thomas - Inverurie GB
| Patent | Date |
|---|---|
| Stop collar Grant 10,385,637 - Marr A | 2019-08-20 |
| Stop Collar App 20190032431 - Marr; Graeme Thomas | 2019-01-31 |
| Downhole swivel sub Grant 9,982,492 - Hanton , et al. May 29, 2 | 2018-05-29 |
| Down-Hole Swivel Sub App 20140299379 - Hyland; Ross ; et al. | 2014-10-09 |
| Tubing expansion Grant 8,746,028 - Duggan , et al. June 10, 2 | 2014-06-10 |
| Tubing expansion tool Grant 7,096,570 - Marr , et al. August 29, 2 | 2006-08-29 |
| Tubing expansion App 20050005668 - Duggan, Andrew Michael ; et al. | 2005-01-13 |
| Tubing expansion App 20030140673 - Marr, Graeme Thomas ; et al. | 2003-07-31 |
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