Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864550 | Remote control equipment for use with an audio system | — | 1989-09-05 |
YK
Yoshikazu Kawanaka
Overall (1989): #40,969 of 140,708Top 30%
1
Patents 1989