Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8295505 | Earphone with controllable leakage of surrounding sound and device therefor | Erwin Weinans, Johan Schreuder, Gerjo Sampimon | 2012-10-23 |
| 8073137 | Audio headset | Erwin Weinans, Barteld Trip | 2011-12-06 |
| 7996496 | Remote user interface in multiphone environment | Jacobus Cornelis Haartsen | 2011-08-09 |