| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Belgium | 2 | |
| #2 | France | 2 | |
| #3 | Luxembourg | 2 | |
| #4 | Denmark | 1 | |
| #5 | Finland | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Greece | 1 | |
| #8 | Norway | 1 | |
| #9 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Advertising |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lefevre Joseph | 8 |
| #2 | Bischoff Hermann-Joseph | 7 |
| #3 | Bischoff Hermann Joseph | 1 |
| Publication | Filing date | Title |
|---|---|---|
| LU86852A1 | Billboard | |
| BE905602R | Display or publicity panel - has spinning segments that appear and disappear against a common background | |
| LU86035A1 | Billboard | |
| FR2580104A3 | Display panel | |
| BE902117A | Display panel for e.g. prices - has mobile segments for rapid and easy changing of price displayed |