Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447662 | Process for phosphatizing, rerinsing and cathodic electro-dipcoating | Jan-Willem Brouwer, Bernd Schenzle, Peter Kuhm, Winfried Wichelhaus | 2002-09-10 |
| 6395105 | Phosphating process with a metalliferous re-rinsing stage | Winfried Wichelhaus, Karl-Heinz Gottwald, Horst-Dieter Speckmann, Jan-Willem Brouwer | 2002-05-28 |