Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819714 | Air conditioning apparatus | Nobuo Otsuka, Peter Thompson | 1989-04-11 |
SW
Seiji Wada
Overall (1989): #58,262 of 140,708Top 45%
1
Patents 1989