Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4635075 | Thermal print head and process for producing | Clifton A. Blake, Jr. | 1987-01-06 |
| 4233522 | Capacitive touch switch array | Hendrik B. Hendriks | 1980-11-11 |
| 4206466 | Non-fouling print stylus | — | 1980-06-03 |