Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7857691 | Entertainment system and method of operation thereof | Robert Head, Neil Hewitson, Matthew David, Thomas Saroshan David, Matthew Killgallon | 2010-12-28 |
| 4418871 | Method and apparatus for reducing and classifying mineral crystalline and brittle noncrystalline material | — | 1983-12-06 |