| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 3 | |
| #2 | Australia | 2 | |
| #3 | Brazil | 2 | |
| #4 | Canada | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | Republic of Korea | 2 | |
| #7 | WIPO (World Intellectual Property Organization) | 2 | |
| #8 | China | 1 | |
| #9 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Coin-freed | |
| #2 | Electric digital data processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Radford Neil | 12 |
| #2 | Neil Radford | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB0808477D0 | Improved keypad security device | |
| EP2005354A2 | Keypad security device | |
| GB0619423D0 | Keypad security device improvements | |
| GB0606208D0 | Keypad security device improvements | |
| CN101044519A | Keypad security device |