Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365900 | Printing plane adjusting mechanism | Rolf Theilen | 1982-12-28 |
| 4215944 | Single keylever multiple action control for typewriters | Gunter Scheinpflug | 1980-08-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365900 | Printing plane adjusting mechanism | Rolf Theilen | 1982-12-28 |
| 4215944 | Single keylever multiple action control for typewriters | Gunter Scheinpflug | 1980-08-05 |