Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321893 | Two-stroke engine having variable exhaust port timing | — | 1982-03-30 |
MY
Masahiro Yamamoto
Overall (1982): #43,285 of 81,411Top 55%
1
Patents 1982