| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering | |
| #3 | Medical technology | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Operating tables | |
| #3 | Scaffolding | |
| #4 | Doors and windows | |
| #5 | Frames | |
| #6 | Sanitary equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Honganvik Ragnvald | 37 |
| Publication | Filing date | Title |
|---|---|---|
| FI821898A0 | Teleskopisk staong foer fastsaettning mellan tvao punkter | |
| DK239182A | Telescopic bar for determination between two points | |
| DE3219975A1 | Telescopic bar |