Hall; Robert Neil
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hall; Robert Neil.The latest application filed is for "downhole apparatus".
- Hall; Robert Neil - Aberdeen N/A GB
- Hall; Robert Neil - Balmedie GB
| Patent | Date |
|---|---|
| Downhole apparatus Grant 9,140,086 - Hall September 22, 2 | 2015-09-22 |
| Downhole Apparatus App 20130213670 - Hall; Robert Neil | 2013-08-22 |
| Downhole device Grant 7,866,384 - Hall January 11, 2 | 2011-01-11 |
| Downhole Device App 20080164018 - Hall; Robert Neil | 2008-07-10 |
| Swivel and eccentric weight to orient a roller sub Grant 6,779,598 - Hall August 24, 2 | 2004-08-24 |
| Downhole device App 20030075321 - Hall, Robert Neil | 2003-04-24 |
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