Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4427267 | Metal diphthalocyanine electrochromic displays and electrolytes therefor | David J. Schiffrin | 1984-01-24 |
| 4376569 | Electrolyte for an electrochromic display | John A. Barltrop, Colin Leonard Bird | 1983-03-15 |