Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4424707 | Method and device for the electropneumatical testing of the air permeability of cigarettes | — | 1984-01-10 |
| 4406156 | Method and device for the inspection of ventilated cigarettes | — | 1983-09-27 |
| 4403501 | Method and device for the electropneumatic testing of cigarette filters | — | 1983-09-13 |