Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074472 | Grinding beads and method of producing the same | Boris Farber, Ricky A. Alexander | 2011-12-13 |
| 5416795 | Quick change crucible for vacuum melting furnace | Crispino DiRuggiero, Donald K. Ratcliffe | 1995-05-16 |
| 4508835 | Vibratable refractory mix and binder therefor | William E. Meinking, Jeffrey R. Morris | 1985-04-02 |