Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355504 | Apparatus for reducing particles discharged by combustion means | Benjamin Y. H. Liu, David B. Kittelson, David Y. H. Pui | 1982-10-26 |
| 4338784 | Method of recycling collected exhaust particles | Benjamin Y. H. Liu, David B. Kittelson, David Y. H. Pui | 1982-07-13 |
| 4316360 | Apparatus for recycling collected exhaust particles | Benjamin Y. H. Liu, David B. Kittelson, David Y. H. Pui | 1982-02-23 |