Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4591900 | Encoding pattern for single chip CCD camera processing scheme | Egon J. Heeb, Karl H. Knop | 1986-05-27 |
| 4484797 | Diffractive subtractive color filter responsive to angle of incidence of polychromatic illuminating light | Karl H. Knop | 1984-11-27 |