Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604552 | Metal-plastic multilayer pipe having form stability for plumbing and hydronic heating | Reinhold Freermann, Alfred Feldkamp, Franz-Josef Riesselmann | 2003-08-12 |
| 5220818 | Apparatus for bending pipes with hinged clamping jaws | — | 1993-06-22 |