Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331841 | Valve guide with external return spring for musical instrument | — | 2025-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331841 | Valve guide with external return spring for musical instrument | — | 2025-06-17 |