Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655464 | Apparatus for melting glass | Roger Gobert, Pierre Jeanvoine | 1997-08-12 |
| 5609661 | Channel for the transfer and conditioning of molten glass | Roger Gobert, Pierre Jeanvoine | 1997-03-11 |