Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7238327 | Method of attaching internal heat shield in automotive catalytic converters | Carl Irving, Joseph Lanzesira, Chris Darr, Darren Nance | 2007-07-03 |
| 6701617 | Spin-forming method for making catalytic converter | Joseph Lanzesira, Earl Nelson | 2004-03-09 |