Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6116279 | Seal system for water-value cartridge | Manfred Pawelzik, Horst Titze | 2000-09-12 |
| 5002790 | Protection of a food against oxidation by the use of vanillin | Josef Burri, Pierre Lambelet, Jurg Loeliger | 1991-03-26 |
| 4393781 | Fuze for liquid shell propellants | — | 1983-07-19 |