Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D975695 | Acoustic coupler | — | 2023-01-17 |
| D867346 | Ambient filter | — | 2019-11-19 |
| 8213647 | Electroacoustic device | Casper van der Bilt, Gerjo Sampimon, Hedzer Michiel Adriaan Van Der Kamp | 2012-07-03 |
| D444123 | Charger for headset | Johannes De Jonge | 2001-06-26 |
| D443871 | Headset | Johannes De Jonge | 2001-06-19 |