Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4195600 | Crankcase chamber compression type two cycle internal combustion engines | — | 1980-04-01 |
YS
Yoshisuke Shingai
Overall (All Time): #4,109,043 of 4,157,543Top 100%
1
Patents All Time