Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7055423 | Fluid-activated linear drive | Kurt Stoll, Steffen Sailer | 2006-06-06 |
| 6755115 | Working cylinder | Kurt Stoll, Alfredo Hofmann | 2004-06-29 |
| 4753542 | Malfunction preventing arrangement of ribbon & correction tape | Wilfried Rettke | 1988-06-28 |
| 4747714 | Mechanisms for selectively raising and transporting print ribbons and correction tapes | Wilfried Rettke | 1988-05-31 |
| 4710042 | Method and apparatus for indexing the print hammer of typewriters or the like | Wilfried Rettke | 1987-12-01 |