Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6971681 | Threaded pipe with surface treatment | Diego Dell'erba | 2005-12-06 |
| 6905150 | Threaded pipe joint | Giuseppe Della Pina, Rita Toscano, Antonio Podrini | 2005-06-14 |
| 6851727 | Threaded pipe joint | Giuseppe Della Pina, Rita Toscano, Tommaso Coppola | 2005-02-08 |