Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866823 | Processes and devices for mechanically setting a plurality of small precious stones on a flat face of a jewel | Alain M. Plantureux | 1989-09-19 |
| 4835987 | Processes for the mechanized manufacture of jewellery comprising a plurality of small contiguous stones set in a support made of precious metal, and jewellery obtained by these processes | Alain M. Plantureux | 1989-06-06 |
| 4761865 | Process for the mechanized production of jewelry comprising a plurality of small contiguous stones set in a metal support | Alain M. Plantureux | 1988-08-09 |
| 4748728 | Processes for the mechanized manufacture of jewelry comprising a plurality of small contiguous stones set in a support made of precious metal jewelry | Alain M. Plantureux | 1988-06-07 |
| 4731913 | Process for making jewelry comprising one or more rows of stones and jewelry obtained by these processes | Alain M. Plantureux | 1988-03-22 |