Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6525249 | Drumhead and muting structure for acoustic and electronic percussion instruments | — | 2003-02-25 |
YS
Yuichiro Suenaga
Overall (2003): #83,547 of 273,478Top 35%
1
Patents 2003