Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8391533 | Ear bud earphone with variable noise isolation, a cushion for an ear bud earphone and a corresponding method | Wong Hoo Sim, Thean Kuie Christopher Chang, Boon Cheong Raymond Ng, Shin Huei Eric Seow | 2013-03-05 |