Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6326533 | Joining element, and wind instrument with such joining element | — | 2001-12-04 |
| 6225541 | Key lever for a musical instrument | Arnfred R. Strathmann | 2001-05-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6326533 | Joining element, and wind instrument with such joining element | — | 2001-12-04 |
| 6225541 | Key lever for a musical instrument | Arnfred R. Strathmann | 2001-05-01 |