Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5538527 | Method of sealing glass to aluminum, particularly for electrical feed-through connectors | Bernard Ledain | 1996-07-23 |
| 5367125 | Aluminum based article having an insert with vitreous material hermetically sealed thereto | Bernard Ledain | 1994-11-22 |