Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D855579 | Ear cup coupler for an over ear headphone | Daniel W. Clark | 2019-08-06 |
| 10178459 | Loudspeaker with acoustic impedance system | Daniel W. Clark | 2019-01-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D855579 | Ear cup coupler for an over ear headphone | Daniel W. Clark | 2019-08-06 |
| 10178459 | Loudspeaker with acoustic impedance system | Daniel W. Clark | 2019-01-08 |