Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5191844 | Process and apparatus for the treatment of dust or like material which is capable of trickle flow | — | 1993-03-09 |
| 4922779 | Slitting shears | Manfred Fritz | 1990-05-08 |
| 4614142 | Circular cutter shears for the longitudinal edging of plates and sheets | Manfred Fritz, Gerhard Wangerin | 1986-09-30 |