Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6057037 | Substrate coated with a lead-free glass composition | Gerhard Tunker | 2000-05-02 |
| 5939343 | Lead-free glass composition and the use thereof | Gerhard Tunker | 1999-08-17 |
| 5827789 | Lead-free glass composition and the use thereof | Gerhard Tunker | 1998-10-27 |