Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702079 | Bat media support frame apparatus and method | — | 1997-12-30 |
| 5599452 | Wastewater treatment method | Nianfa Tang | 1997-02-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702079 | Bat media support frame apparatus and method | — | 1997-12-30 |
| 5599452 | Wastewater treatment method | Nianfa Tang | 1997-02-04 |