| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Australia | 2 | |
| #3 | Canada | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones |
| # | Name | Total Patents |
|---|---|---|
| #1 | Queen Daniel | 6 |
| #2 | Betts Robert W | 4 |
| #3 | Malkovitch Mikhail | 1 |
| #4 | Queen Daniel L | 1 |
| #5 | Hamilton Peter A | 1 |
| #6 | Danieru Kuiin | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6636610B1 | Loudspeaker systems | |
| US6738483B1 | Overhead loudspeaker systems | |
| US6597797B1 | Spherical loudspeaker system with enhanced performance | |
| US6603862B1 | Spherical loudspeaker system | |
| US5952620A | Omni-directional sub-bass loudspeaker | |
| AU3528393A | Wide coverage angle ceiling mounted loudspeaker | |
| US5268538A | Hemispherically wide-radiating-angle loudspeaker system |