| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Coin-freed | |
| #2 | Special electric heating or lighting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Svensson A | 4 |
| #2 | Johansson R | 3 |
| #3 | Svensson Arne | 1 |
| #4 | Johansson R A | 1 |
| #5 | Johansson Reinhold | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2554412A1 | METHOD FOR TREATMENT AND TRANSPORTATION OF DESERT AND SIMILAR OBJECTS AND DEVICE FOR CARRYING OUT THE PROCEDURE |