Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4528242 | Ink jet recording transparency | — | 1985-07-09 |
| 4474850 | Ink jet recording transparency | — | 1984-10-02 |
| 4404574 | Electrographic printing system using dielectric film member | John R. Wyhof | 1983-09-13 |
| 4287286 | Toner repellant coating for dielectric film | — | 1981-09-01 |
| 4262053 | Anti-blocking means for dielectric film | — | 1981-04-14 |
| 4241134 | Electrostatically imageable drafting film | — | 1980-12-23 |