Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6112665 | Method and computer generated swatch cards for matching colors | Thor A. Olson | 2000-09-05 |
| D419185 | Perforated paper blank for color matching strips | Thor A. Olson | 2000-01-18 |
| 5406380 | Film recorder with interface for user replaceable memory element | — | 1995-04-11 |