Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4244761 | Thermally insulating slabs made of refractory fibers for the insulation of furnaces and the like | Guy Gehin | 1981-01-13 |
| 4238257 | Insulating slab of refractory fibres | Guy Gehin | 1980-12-09 |
| 4236931 | Gas-permeable refractory parts | Jean-Pierre Kiehl, Jacques R. P. Schoennahl | 1980-12-02 |