| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Mexico | 1 | |
| #7 | United States | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 | |
| #9 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Advertising |
| # | Name | Total Patents |
|---|---|---|
| #1 | Calderwood Ian Leonard | 7 |
| #2 | Ian Leonard Calderwood | 1 |
| #3 | Leonard Calderwood Ian | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB0900244D0 | Advertising frames | |
| GB0607002D0 | Vehicle display system |