Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108283 | Apparatus for winding pipes | Andre Caluori, Hansjorg Heer | 1992-04-28 |
| 4957586 | Apparatus for producing a wound plastic tube | Rachid Keldany | 1990-09-18 |
| 4897911 | Method of placing plastic tubes into existing openings | Rachid Keldany | 1990-02-06 |