Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9357327 | Loudspeaker system for reproducing multi-channel sound with an improved sound image | Charlie Corneles Van Dongen, David James Still Alexandrou | 2016-05-31 |
| 7810224 | Electrostatic loudspeaker stators and their manufacture | Charles Van Dongen, Evan Douglas Evans, Craig Evans, Grover Howard, Robert Neil MacKinlay | 2010-10-12 |
| 7701335 | Theft deterrence security system | Charles Van Dongen, Grover Howard, Stuart Evans, Evan Douglas Evans | 2010-04-20 |
| 7046144 | Theft deterrent device for appliances | Paul Stephen-Daly, Charles Van Dongen, Marek Robert Wambier | 2006-05-16 |