Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620107 | Detection of conditions by analysis of gases or vapours | Peter Alfred Payne, Krishna Chandra Persaud | 2003-09-16 |
| 6376232 | Microorganism analysis means | Peter Alfred Payne, Krishna Chandra Persaud | 2002-04-23 |
| 6190858 | Detection of conditions by analysis of gases or vapors | Krishna Chandra Persaud | 2001-02-20 |