Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5760367 | Apparatus and method of engraving indicia on gemstones, and gemstones, produced thereby | James Geswelli, Todd Knichel | 1998-06-02 |
| 5753887 | Apparatus for laser engraving indicia on gemstones | James Geswelli, Todd Knichel | 1998-05-19 |