Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4534620 | Standardized multi-stack dielectric-layer filter blank and method for fabricating color-encoding filter therefrom | Michael T. Gale | 1985-08-13 |
| 4387013 | Reactive sputter etching of aluminum | Klaus Frick, Roland Widmer | 1983-06-07 |