Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856065 | Power fader for a loudspeaker system | Masahiko Ito | 1989-08-08 |
KT
Kazunori Takagi
Overall (1989): #89,648 of 140,708Top 65%
1
Patents 1989