Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6395105 | Phosphating process with a metalliferous re-rinsing stage | Winfried Wichelhaus, Helmut Endres, Horst-Dieter Speckmann, Jan-Willem Brouwer | 2002-05-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6395105 | Phosphating process with a metalliferous re-rinsing stage | Winfried Wichelhaus, Helmut Endres, Horst-Dieter Speckmann, Jan-Willem Brouwer | 2002-05-28 |