Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6759235 | Two-dimensional spectral imaging system | Stephen Empedocles | 2004-07-06 |
| 6734420 | Differentiable spectral bar code methods and systems | Stephen Empedocles, Joseph Treadway | 2004-05-11 |