Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347038 | Flexible blade fan | Masaharu Hayashi | 1982-08-31 |
ST
Sunzo Tsuchikawa
Overall (All Time): #4,075,004 of 4,157,543Top 100%
1
Patents All Time