Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5433047 | Interlocking and insulated building pans | William Wallace | 1995-07-18 |
| 4694144 | Double-glazed frame having an internal tubular blind | Pierre Delaroche | 1987-09-15 |
| 4245447 | Multi-use metal building | Claude Echalier, Albert Levy, Louis Boussin | 1981-01-20 |