Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7066499 | Pipe integral threaded joint | Giuseppe Della Pina, Angelo Signorelli | 2006-06-27 |
| 7014223 | Screw threaded joint for continuous-profile tubes | Giuseppe Della Pina, Angelo Signorelli | 2006-03-21 |