Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830582 | Rotary type compressing apparatus employing exhaust gas control valve | — | 1989-05-16 |
KA
Kazutomo Asami
Overall (1989): #91,188 of 140,708Top 65%
1
Patents 1989