Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4459139 | Disposable filter device and liquid aspirating system incorporating same | Karlis Vizulis | 1984-07-10 |
| 4362047 | Filter device for cigarette testing | Attila Vadnay, Robert E. Corbett | 1982-12-07 |