Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4313415 | Exhaust gas recirculation system in compression-ignition internal combustion engine | — | 1982-02-02 |
MS
Motohiro Shinzawa
Overall (1982): #41,613 of 81,411Top 55%
1
Patents 1982