Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4197105 | Method of stain-decorating glass-ceramics | Merritt J. Hummel, Richard L. Cerutti | 1980-04-08 |
| 4192666 | Method of producing glass-ceramics with uniform brown stain decoration | — | 1980-03-11 |