Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D500307 | Device for effecting changes in sound of musical instruments | — | 2004-12-28 |
HI
Hideaki Ishizaki
Overall (2004): #210,153 of 270,089Top 80%
1
Patents 2004