Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9709083 | Spring enabled audio device mounting apparatus | Andrzej Krol, Sergio G. Bonsignore | 2017-07-18 |
| 9631652 | Clip-on mounting assembly for musical instruments | Andrzej Krol, Sergio G. Bonsignore | 2017-04-25 |
| 9570053 | Adjustable cajón instrument | Andrzej Krol, Thomas M Schwarz, Sergio G. Bonsignore | 2017-02-14 |