Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6189463 | Methods and apparatus for incinerating combustible waste material such as farm animal biomass | Sung C. Ling | 2001-02-20 |
| 4989523 | Method and apparatus for extracting heat from a combustible material | Sung C. Ling | 1991-02-05 |