Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4246774 | Device for measuring the draft of smoking articles such as cigarettes and combined measuring apparatus including such a device | Jean Buisson, Michel Morin, Jean-Pierre Boittin, Pierre Tripot, Claude Vallee | 1981-01-27 |