Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4611938 | Mechanism for raising and feeding ink ribbons in typewriters and similar machines | Wilfried Rettke | 1986-09-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4611938 | Mechanism for raising and feeding ink ribbons in typewriters and similar machines | Wilfried Rettke | 1986-09-16 |