Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9282412 | Seal-quality estimation for a seal for an ear canal | — | 2016-03-08 |
| 8655003 | Earphone arrangement and method of operation therefor | Sriram Srinivasan, Cornelis Pieter Janse | 2014-02-18 |