Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8387471 | Diluter for exhaust gas sampling and method therefor | Leonidas Ntziachristos | 2013-03-05 |
| 8236250 | Gas treatment device | Grigorios Koltsakis | 2012-08-07 |
| 7935163 | Filtering device for diesel engine exhaust gas | Grigorios Koltsakis | 2011-05-03 |