Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784352 | Drumhead and muting structure for acoustic and electronic percussion instruments | — | 2004-08-31 |
YS
Yuichiro Suenaga
Overall (2004): #79,375 of 270,089Top 30%
1
Patents 2004