Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5015090 | Centering apparatus for a gemstone | Ilan Weisman, Roni Shapira, Roni Shafir | 1991-05-14 |
| 4944120 | Dop for gemstone handling during manufacture | Ilan Weisman, Roni Shapira, Roni Shafir | 1990-07-31 |