Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656155 | Thermophilic aerobic waste treatment system | Yanlong Li | 1997-08-12 |
| 5599450 | Anaerobic upflow batch reactor | Yanlong Li | 1997-02-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656155 | Thermophilic aerobic waste treatment system | Yanlong Li | 1997-08-12 |
| 5599450 | Anaerobic upflow batch reactor | Yanlong Li | 1997-02-04 |