Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639297 | Method of making an improved pavement | Lothar Kaden | 1997-06-17 |
| 4831801 | Process for manufacturing construction elements, their composition, reinforcement and means for mounting same | — | 1989-05-23 |