Issued Patents 2003
Showing 1–1 of 1 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 |
Showing 1–1 of 1 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 |