Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10841687 | Headphone apparatus | Ryan Ott, Daniel I. Radin, Effrosini A. Karayiannis, Kent Jopling | 2020-11-17 |
| 10419839 | Headphone apparatus | Ryan Ott, Daniel I. Radin, Effrosini A. Karayiannis, Kent Jopling | 2019-09-17 |