Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7678322 | Method of producing manufactured aggregates | Vincent Ledee, Thierry Sedran | 2010-03-16 |
| 5115602 | Insulating and structural masonry block and method for the fabrication thereof | — | 1992-05-26 |