Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047977 | Filter, smoking articles containing the same, filter strands and methods and devices for producing filters and smoking articles of this type | Michael Lauenstein, Reynald Aeschlimann | 2011-11-01 |
| 5116298 | Control process and apparatus for the production of cigarette filters | Luigi Bondanelli, Mauro Sirani, Alfonso Schembri | 1992-05-26 |