Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6039788 | Melting and casting of high purity chromium with controlled oxygen content | Raymond K. F. Lam, Guiseppe Colella | 2000-03-21 |
| 5866067 | High purity chromium metal by casting with controlled oxygen content | Raymond K. F. Lam, Guiseppe Colella | 1999-02-02 |