Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D871374 | Headphone | Effrosini A. Karayiannis | 2019-12-31 |
| D867329 | Headphones | Effrosini A. Karayiannis, Daniel I. Radin | 2019-11-19 |
| 10419839 | Headphone apparatus | Daniel I. Radin, Effrosini A. Karayiannis, Kent Jopling, Torry Xu | 2019-09-17 |
| D853351 | Headphones | Effrosini A. Karayiannis, Daniel I. Radin, Yanyao He | 2019-07-09 |
| D852165 | Headphones | Effrosini A. Karayiannis, Daniel I. Radin | 2019-06-25 |