Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635316 | Method for producing an acid-resistant, electrically conductive building material covering | Claus Muller | 2003-10-21 |
| 5451104 | Method and apparatus for producing foam | Claus Muller | 1995-09-19 |