| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 3 | |
| #2 | Australia | 1 | |
| #3 | Canada | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Norway | 1 | |
| #8 | Portugal | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Advertising | |
| #2 | Handling thin material |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wennstrom Ari | 4 |
| #2 | Wennstroem Ari | 4 |
| #3 | Ari Wennstrom | 1 |
| #4 | Wennstroem A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2718425A1 | Device for applying poster material on long members of picture-changing panels | |
| GB9501835D0 | Picture changing signboards | |
| EP0261089A2 | A sign arrangement |