| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 9 | |
| #2 | Denmark | 1 | |
| #3 | Finland | 1 | |
| #4 | Norway | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Platform constructions | |
| #2 | Advertising | |
| #3 | Swimming pools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stroemberg Rolf | 8 |
| #2 | Stromberg R | 3 |
| #3 | Stroemberg R | 2 |
| Publication | Filing date | Title |
|---|---|---|
| SE9403437D0 | Reflection tube for road marking column | |
| SE9400099D0 | Stackable side marking screen | |
| SE9202408D0 | Device for fixing two signs facing in opposite directions on post | |
| WO9011408A1 | Collapsible warning stand | |
| SE8106850L | Arrangement for road signs |