Walker; Nigel Julian
Patent Applications and Registrations
Patent applications and USPTO patent grants for Walker; Nigel Julian.The latest application filed is for "gas diffusion substrate".
- Walker; Nigel Julian - Cumbria GB
- Walker; Nigel Julian - Kendal GB
| Patent | Date |
|---|---|
| Gas diffusion substrate Grant 8,133,306 - Quayle , et al. March 13, 2 | 2012-03-13 |
| Gas Diffusion Substrate App 20080268297 - Quayle; George Thomas ; et al. | 2008-10-30 |
| Conductive sheet material Grant 7,238,413 - Edwards , et al. July 3, 2 | 2007-07-03 |
| Gas diffusion substrate Grant 6,949,308 - Gascoyne , et al. September 27, 2 | 2005-09-27 |
| Conductive sheet material App 20030165740 - Edwards, Stephen John ; et al. | 2003-09-04 |
| Gas diffusion substrate App 20030134179 - Gascoyne, John Malcolm ; et al. | 2003-07-17 |
| Intumescent material Grant 6,274,647 - Knight , et al. August 14, 2 | 2001-08-14 |
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