Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039313 | Method of and apparatus for the cleaning of the exhaust air of a paint-spray or lacquer-spray booth | — | 1991-08-13 |
| 4678484 | Electrofilter | Wolfgang Hartmann | 1987-07-07 |