Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4984008 | Film number writing system | John S. O'Callaghan | 1991-01-08 |
| 4960273 | Dual mode document feeder | John S. O'Callaghan, Jean-Jacques Colson | 1990-10-02 |
| 4484521 | Date band indexing mechanism for endorser | Donald R. Friedlund | 1984-11-27 |
| 4448364 | Reversible ribbon drive | Robert F. Johnston, John R. Flint | 1984-05-15 |