Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4403863 | Method for preparing concrete by use of multi-layer pan type mixer | Takeshi Fukushima, Yoshihiro Ikegami | 1983-09-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4403863 | Method for preparing concrete by use of multi-layer pan type mixer | Takeshi Fukushima, Yoshihiro Ikegami | 1983-09-13 |