Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4297044 | Additional attachment for all types of key operated machines | Harald Hornberg, Fedor Hahnefeld | 1981-10-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4297044 | Additional attachment for all types of key operated machines | Harald Hornberg, Fedor Hahnefeld | 1981-10-27 |