Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6518211 | Chemically toughened glasses | John M. Bradshaw, Ian H. Smith, Ashley Carl Torr | 2003-02-11 |
| 5426663 | Glass melting | — | 1995-06-20 |
| 4764198 | Glass melting tanks and refractory material therefor | — | 1988-08-16 |