Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10974098 | Retractable hand exerciser | Andrzej Krol | 2021-04-13 |
| 10596413 | Multi-functional finger exercise device | Andrzej Krol | 2020-03-24 |
| 5868293 | Quick release guitar strap system | James D'Addario | 1999-02-09 |