Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6129154 | Spray nozzle, especially for spraying water in fire prevention systems | Rolf Hoffmann, Wilfried Heize | 2000-10-10 |
| 5667017 | Atomizer for generating water-mists in fire-fighting systems | Rolf Hoffmann | 1997-09-16 |