Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886386 | Ink ribbon having elastomeric protective backing | Ian Hogarth, Andrew Scott, Christine Mackintosh | 1989-12-12 |
| 4884908 | Overlappingly overstrikeable ribbon and use thereof in continuously full cassettes | Ian Hogarth, Andrew Scott, Christine Mackintosh | 1989-12-05 |
| 4801215 | Ramp ribbon cartridge | Uli G. Morf | 1989-01-31 |
| 4544292 | Multistrike ribbon | Ulrich Kohle | 1985-10-01 |
| 4515489 | Overstrike ribbon for print wheels | Ulrich Kohle | 1985-05-07 |
| 4427739 | Multiuse pressure-type reproduction material | Ulrich Kohle, Claus Hartmann | 1984-01-24 |
| 4389449 | Carbon film | Ulrich Kohle | 1983-06-21 |