Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6387189 | Surface-cleaning method | Andreas Groschl, Torsten Groth, Volker Hassmann, Ingo Janisch, Winfried Joentgen +2 more | 2002-05-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6387189 | Surface-cleaning method | Andreas Groschl, Torsten Groth, Volker Hassmann, Ingo Janisch, Winfried Joentgen +2 more | 2002-05-14 |