Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5839669 | Method and apparatus for powder spraying | Gunter Borner, Hans-Christoph Nienburg, Helmut Bohme, Jorg Sopka | 1998-11-24 |
| 4979680 | Spray gun | Helmut Bauch | 1990-12-25 |
| 4798338 | Apparatus for the electro-kinetic charging of powdered materials | Helmut Bauch, Dieter Auerbach | 1989-01-17 |