Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9769583 | Vibration membrane assembly for speaker, speaker and method for producing the assembly | Gary Hsieh, Armin Timmerer, Ewald Frasl, Bernhard Seiwald, Peter Fischer | 2017-09-19 |
| 9712913 | Acoustic sound adsorption material having attached sphere matrix | William A. Ryan, Heribert Bauer | 2017-07-18 |