Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635316 | Method for producing an acid-resistant, electrically conductive building material covering | Eugen Kleen | 2003-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635316 | Method for producing an acid-resistant, electrically conductive building material covering | Eugen Kleen | 2003-10-21 |