Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6920224 | Deep bass sound booster device | — | 2005-07-19 |
TO
Takashi Oki
Overall (2005): #92,164 of 245,428Top 40%
1
Patents 2005