Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10313780 | Earphone connection apparatus | Mark Donaldson, Robert L. Beck | 2019-06-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10313780 | Earphone connection apparatus | Mark Donaldson, Robert L. Beck | 2019-06-04 |