Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4429586 | Double-oblique-toothed two-stage spur wheel drive | Gunther Heidrich | 1984-02-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4429586 | Double-oblique-toothed two-stage spur wheel drive | Gunther Heidrich | 1984-02-07 |