Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D982968 | Cooking pan | — | 2023-04-11 |
| 7666070 | Tool holder for a disc-shaped working tool | Matthaeus Hoop | 2010-02-23 |
| 4198891 | Circuit for simulating sounds of percussive instruments | — | 1980-04-22 |
| 4181059 | Circuit for simulating sound of wire brush rotated around head of snare drum | — | 1980-01-01 |