Hackbarth; Dirk
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hackbarth; Dirk.The latest application filed is for "microphone".
- Hackbarth; Dirk - Wedmark DE
- Hackbarth; Dirk - Ahlem N/A DE
- Hackbarth; Dirk - Hannover DE
| Patent | Date |
|---|---|
| Microphone Grant 9,319,761 - Wiederholt , et al. April 19, 2 | 2016-04-19 |
| Microphone App 20140153739 - Wiederholt; Bernd ; et al. | 2014-06-05 |
| Dynamic sound transducer and receiver Grant 8,731,231 - Teske-Fischer , et al. May 20, 2 | 2014-05-20 |
| Earpiece App 20110031060 - Epping; Heinz ; et al. | 2011-02-10 |
| Dynamic Sound Transducer And Receiver App 20100183173 - Teske-Fischer; Till ; et al. | 2010-07-22 |
| Microphone And Microphone Head App 20100166244 - Hackbarth; Dirk | 2010-07-01 |
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