Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7214866 | Method for manufacturing musical instrument and a musical instrument | Heikki Koivurova | 2007-05-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7214866 | Method for manufacturing musical instrument and a musical instrument | Heikki Koivurova | 2007-05-08 |