Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475295 | Method for cleaning the paint feeding parts of a painting installation, especially the paint lines | Alfred Bohnes, Johannes Lindemann, Dirk Bohnes | 2002-11-05 |
| 6432220 | Process for the preliminary treatment of a metallic workpiece before coating | Johannes Lindemann, Rainer Kluth, Dirk Bohnes | 2002-08-13 |