Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D972814 | Backless baseball cap | — | 2022-12-20 |
| D961890 | Backless baseball cap | — | 2022-08-30 |
| 9305381 | Multi-threaded rasterisation | Nathaniel Duca | 2016-04-05 |
| 7174893 | Mask with anti-asphyxia valve | Geoffrey Crumblin, Gregory Scott Smart, Michael Kassipillai Gunaratnam, Philip Rodney Kwok, Perry David Lithgow | 2007-02-13 |
| 7089939 | Gas delivery connection assembly | Geoffrey Crumblin, Gregory Scott Smart, Michael Kassipillai Gunaratnam, Philip Rodney Kwok | 2006-08-15 |
| D440208 | Flow generator remote control | Susan Robyn Lynch, Zdzislaw Antoni Ziolkowski | 2001-04-10 |