| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | United States | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | South Africa | 2 | |
| #6 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Environmental technology | |
| #3 | Audio-visual technology | |
| #4 | IT methods for management | |
| #5 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fourdraine John D | 6 |
| #2 | Welsh Russell J | 4 |
| #3 | Russel Welsh J | 3 |
| #4 | Russel J Welsh | 2 |
| #5 | John D Fourdraine | 2 |
| #6 | Welsh Russel J | 2 |
| #7 | Fourdraine John | 1 |
| #8 | Nickerson Rand B | 1 |
| #9 | Welsh Russell | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5226177A | Real-time wireless audience response system | |
| AU3531089A | A system and device for data transmission, and related method | |
| EP0461107A1 | A system and device for data transmission, and related method | |
| US4955070A | Apparatus and method for automatically monitoring broadcast band listening habits |