Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8101973 | Transistor | Matthew Francis O'Keefe, Michael Charles Clausen, Richard Alun Davies | 2012-01-24 |
| 7868356 | Compound semiconductor substrate for a field effect transistor | Matthew Francis O'Keefe, Michael Charles Clausen, Richard Alun Davies | 2011-01-11 |
| 7538365 | Field effect transistor with aluminum and phosphorus etch stop layer | Matthew Francis O'Keefe, Michael Charles Clausen, Richard Alun Davies | 2009-05-26 |
| D404143 | Swimming pool escape ramp for animals | — | 1999-01-12 |