Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5293858 | Apparatus and method for cone shaping the crown and pavilion of gemstones | — | 1994-03-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5293858 | Apparatus and method for cone shaping the crown and pavilion of gemstones | — | 1994-03-15 |