Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4218318 | Process and apparatus for treating and purifying waste water | Tadashi Niimi, Masanori Niimi | 1980-08-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4218318 | Process and apparatus for treating and purifying waste water | Tadashi Niimi, Masanori Niimi | 1980-08-19 |