Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6887364 | Method for manufacturing a multiple walled tube | Pierini Vincenzo, Volvert Albert | 2005-05-03 |
| 6639194 | Method for manufacturing a multiple walled tube | Pierini Vincenzo, Volvert Albert | 2003-10-28 |