Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654106 | Sintered articles | Charles G. Purnell | 1997-08-05 |
| 5534220 | Method of sintering machinable ferrous-based materials | Charles G. Purnell, Mohammad S. Mahmoud | 1996-07-09 |