Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10471482 | Exhaust apparatus, system, and method for enhanced capture and containment | Heinz Ritzer, Andrey V. Livchak | 2019-11-12 |
| 9574779 | Exhaust apparatus, system, and method for enhanced capture and containment | Heinz Ritzer, Andrey V. Livchak | 2017-02-21 |