Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D296328 | Overhead optical scanner | Kim M. Austin, Eric Chan, Helmuth C. Sautter, Donald B. Swicker, Richard A. Yackel | 1988-06-21 |
| 4737857 | Overhead document scanner lighting and scanning apparatus | Helmuth O. Sautter, Donald B. Swicker | 1988-04-12 |
| 4639781 | Dynamic gain adjuster for an image scanner | Helmuth O. Sautter | 1987-01-27 |