Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649863 | Gemstone marking system with a focus sensing unit for sensing relative disposition between a marking surface of the gemstone and a focal plane of a laser beam | Thomas Hubin | 2003-11-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649863 | Gemstone marking system with a focus sensing unit for sensing relative disposition between a marking surface of the gemstone and a focal plane of a laser beam | Thomas Hubin | 2003-11-18 |