Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5172801 | Device for twisting workpieces, particularly for turning casings | Rolf Zierdt | 1992-12-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5172801 | Device for twisting workpieces, particularly for turning casings | Rolf Zierdt | 1992-12-22 |