Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9967641 | Microphone system | Hartwig Koch, Holger Kiehne, Florian Klingler, Frank Hofmann, Gerald Spreitz +1 more | 2018-05-08 |
| 9184858 | Microphone system and method for selecting an operating frequency for a or said microphone system and computer program | Hartwig Koch, Holger Kiehne, Florian Klingler, Frank Hofmann, Gerald Spreitz +1 more | 2015-11-10 |
| 9185479 | Microphone module and microphone system having the microphone module | Hartwig Koch, Holger Kiehne, Florian Klingler, Frank Hofmann, Gerald Spreitz +1 more | 2015-11-10 |
| 9071913 | Network system for audio equipment, method and computer program | Hartwig Koch, Holger Kiehne, Florian Klingler, Frank Hofmann, Gerald Spreitz +1 more | 2015-06-30 |