Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651549 | Dual gallery piston | Alan S. Brown, Walter Joseph Griffiths, Miguel Azevedo | 2003-11-25 |
| 6477941 | Dual gallery piston | Alan S. Brown, Walter Joseph Griffiths, Miguel Azevedo | 2002-11-12 |