Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4910954 | Apparatus for the formation of ornamental chains | — | 1990-03-27 |
| 4716750 | Process for obtaining composite hollow members from variegated longitudinal strips, embodied with or without a removable core | — | 1988-01-05 |
| 4679391 | Method of manufacturing jewelry chains from decorated helicoid members and/or links | — | 1987-07-14 |
| 4666790 | Process for the manufacture of semi-finished polychrome composites from thin gage metals, and a semi-finished composite obtained with such a process | — | 1987-05-19 |