| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Germany | 2 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Canada | 1 | |
| #6 | Switzerland | 1 | |
| #7 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Furniture and games | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Metal wire processing | |
| #2 | Chairs and beds | |
| #3 | Upholstering equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sigfrid Lofgren | 3 |
| #2 | Samuel Larsson | 1 |
| #3 | Ohlsson Erik Gunnar | 1 |
| #4 | Loefgren Sigfrid | 1 |
| #5 | Lofgren Sigfrid | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3135549A | Sitting furniture | |
| DE1153711B | Method and device for producing a cushion insert | |
| US3137324A | Method of manufacturing upholstery inlays and a machine therefor | |
| GB858491A | A method of manufacturing upholstery inlays and a machine therefor | |
| DE1031260B | Device for swiveling a helical spring part in the production of helical spring bundles for mattresses | |
| US2550361A | Sitting furniture | |
| CA647734A | Method of manufacturing upholstery inlays and a machine therefor |