Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343718 | Chain link for gems, and ornamental chain comprising such links, and a method for producing said chain | — | 1994-09-06 |
| 5338591 | Decorative element having a plurality of gems and a method for producing it | — | 1994-08-16 |
| 5297352 | Decorative glass body | — | 1994-03-29 |
| 5252377 | Magazine strip for gems | — | 1993-10-12 |
| 5209956 | Decorative panel and a method of producing it | — | 1993-05-11 |
| 5155990 | Metal platelet compound | — | 1992-10-20 |
| 5077988 | Metal platelet compound | — | 1992-01-07 |
| 5070586 | Compound of gems and a method of producing it | — | 1991-12-10 |
| 5056656 | Storage strip for gems or other small pieces | — | 1991-10-15 |
| 4972685 | Mount for gems | — | 1990-11-27 |
| 4936116 | Gem compound | — | 1990-06-26 |
| 4935268 | Decorative element | — | 1990-06-19 |
| 4718963 | Method for producing a decorative material | Serge Amstutz | 1988-01-12 |
| 4427733 | Small decorative plates | Christian Covi | 1984-01-24 |
| 4353765 | Process for making single ornament stones coated with heat-activated adhesive | Christian Covi | 1982-10-12 |
| 4323611 | Decorative material and a process for producing the same | — | 1982-04-06 |