Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350718 | Glass frits, a process for their production and their use in enamel barrier layers for stopping the migration of silver | Jérôme Anquetil | 1994-09-27 |
| 5292553 | Ultra thin zircon coating and membrane | Phillipe J. A. M. Leture, Michel Prassas | 1994-03-08 |