Griggs; Roger David
Patent Applications and Registrations
Patent applications and USPTO patent grants for Griggs; Roger David.The latest application filed is for "optical amplifiers".
- Griggs; Roger David - Devon GB
| Patent | Date |
|---|---|
| Optical amplifiers Grant 7,139,118 - Griggs , et al. November 21, 2 | 2006-11-21 |
| Optical amplifiers App 20060077534 - Griggs; Roger David ; et al. | 2006-04-13 |
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