Kaddig; Kornelia
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kaddig; Kornelia.The latest application filed is for "electrodynamic sound transducer".
- Kaddig; Kornelia - Wietze DE
| Patent | Date |
|---|---|
| Electrodynamic sound transducer Grant 10,721,567 - Kuhr , et al. | 2020-07-21 |
| Headphone Grant 10,477,293 - Grell , et al. Nov | 2019-11-12 |
| Electrodynamic Sound Transducer App 20180332401 - KUHR; Markus ; et al. | 2018-11-15 |
| Headphone App 20180249237 - Grell; Axel ; et al. | 2018-08-30 |
| Headphone Grant 9,930,439 - Nisse , et al. March 27, 2 | 2018-03-27 |
| Headphone App 20160323663 - Nisse; Olav ; et al. | 2016-11-03 |
| Earphone and headset Grant 8,755,554 - Kuhtz , et al. June 17, 2 | 2014-06-17 |
| Closed headphones with transducer system Grant 6,934,401 - Grell , et al. August 23, 2 | 2005-08-23 |
| Closed headphones with transducer system App 20030039375 - Grell, Axel ; et al. | 2003-02-27 |
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