Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9294831 | In-ear earpiece and expansion adaptor | Chee Keong Tan | 2016-03-22 |
| 9143855 | In-ear earpiece and expansion adaptor | Chee Keong Tan | 2015-09-22 |
| 8897480 | In-ear earpiece and expansion adaptor | Chee Keong Tan | 2014-11-25 |