Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4396278 | Photographic enlarger | David B. Harrington | 1983-08-02 |
| 4394717 | Illumination system for copying apparatus | — | 1983-07-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4396278 | Photographic enlarger | David B. Harrington | 1983-08-02 |
| 4394717 | Illumination system for copying apparatus | — | 1983-07-19 |