Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D993325 | Electrical sound producing device | David John Skulina, Ross Coffield | 2023-07-25 |
| 10244100 | Control apparatus | David John Skulina, Keith NAGLE | 2019-03-26 |
| D645468 | User interface device | David John Skulina | 2011-09-20 |