Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4693126 | Feed roll for material web transporting and measuring web tension | Dietrich Hank | 1987-09-15 |
| 4629902 | Device for measuring web tension | Dietrich Hank, Friedrich Richter | 1986-12-16 |