Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6849793 | Drum acoustic wire assembly and a drum using the same | Tomio Okamoto | 2005-02-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6849793 | Drum acoustic wire assembly and a drum using the same | Tomio Okamoto | 2005-02-01 |