Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4368026 | Centering device for shaping tools of extrusion presses | Eduard J. Budel, Heinrich Fehrmann | 1983-01-11 |
| 4323339 | Device for manufacturing plastics pipes with oblong channels | Jan P. van Dongeren | 1982-04-06 |
| 4321228 | Method of and apparatus for manufacturing a plastic pipe comprising longitudinally extending hollow channels in its wall | — | 1982-03-23 |