Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942887 | Filter mouthpiece for a smoking article | Daniel Braem, Urs Nyffeler | 1990-07-24 |
| 4834117 | Filter for a smoking article | Daniel Braem | 1989-05-30 |
| 4727892 | Ventilated cigarette | — | 1988-03-01 |