Koenecke; Fred
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koenecke; Fred.The latest application filed is for "headphones".
- Koenecke; Fred - Nienhagen DE
| Patent | Date |
|---|---|
| Headphones Grant 7,639,832 - Mann , et al. December 29, 2 | 2009-12-29 |
| Rechargeable battery Grant D582,341 - Koenecke December 9, 2 | 2008-12-09 |
| Headphones App 20080049963 - Mann; Wolfgang ; et al. | 2008-02-28 |
| Headphone container Grant D540,311 - Koenecke April 10, 2 | 2007-04-10 |
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