Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613184 | Aluminium alloys | Charles G. Purnell, Paul Smith | 1997-03-18 |
| 5534220 | Method of sintering machinable ferrous-based materials | Charles G. Purnell, Helen Ann Brownlie | 1996-07-09 |