Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1073903 | Combined air purifier with ventilator and stand | Christoph Zuberbuehler, Frank Hammes | 2025-05-06 |
| D1031962 | Air purifier with ventilator | Christoph Zuberbuehler, Frank Hammes | 2024-06-18 |