Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4564305 | Transport device for margin-perforated fanfold paper and for continuous roll paper | Rudolf Rekewitz | 1986-01-14 |
| 4537521 | Paper feed mechanism with varying contact pressure | Rudolf Rekewitz | 1985-08-27 |
| 4406554 | End of ribbon indicator for a typewriter ribbon cassette | Karl-Heinz Dreinhoff | 1983-09-27 |