Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808515 | Multiple continuous type liquid waste disposal apparatus | Masao Takahashi, Eiichi Takano | 2004-10-26 |
| 6783518 | Float for liquid waste disposal apparatus | Masao Takahashi, Eiichi Takano, Nobuo Murata, Masashi Suzuki | 2004-08-31 |