Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5073182 | Process for manufacturing glass objects including spraying a cryogen onto the glass surface | Franck Virey | 1991-12-17 |
| 4812156 | Process for manufacturing glass objects | Franck Virey | 1989-03-14 |
| 4644995 | Device for fabricating frozen moulding moulds or cores | Charles Defrancq | 1987-02-24 |