Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826639 | Moulding process and apparatus for making arch-shaped concrete structures | Santiago Muelas-Medrano | 1989-05-02 |
| D299540 | Building | Sacha Sosno, Yves Bayard | 1989-01-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826639 | Moulding process and apparatus for making arch-shaped concrete structures | Santiago Muelas-Medrano | 1989-05-02 |
| D299540 | Building | Sacha Sosno, Yves Bayard | 1989-01-24 |