Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320011 | Oil-containing waste water treating material consisting of modified active carbon | Hiroshi Sato, Sadaaki Shigeta | 1982-03-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320011 | Oil-containing waste water treating material consisting of modified active carbon | Hiroshi Sato, Sadaaki Shigeta | 1982-03-16 |