Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483017 | Method and device for hydraulically tensing of relaxing a membrane of a musical instrument | Roman Dill | 2002-11-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483017 | Method and device for hydraulically tensing of relaxing a membrane of a musical instrument | Roman Dill | 2002-11-19 |