Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9709083 | Spring enabled audio device mounting apparatus | Andrzej Krol, Victor Filonovich | 2017-07-18 |
| 9631652 | Clip-on mounting assembly for musical instruments | Andrzej Krol, Victor Filonovich | 2017-04-25 |
| 9570053 | Adjustable cajón instrument | Andrzej Krol, Victor Filonovich, Thomas M Schwarz | 2017-02-14 |