Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4423974 | Drive coupling for ribbon mechanism in typewriters and similar machines | Friedrich Teichmann | 1984-01-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4423974 | Drive coupling for ribbon mechanism in typewriters and similar machines | Friedrich Teichmann | 1984-01-03 |