| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 2 | |
| #2 | Germany | 2 | |
| #3 | France | 2 | |
| #4 | United States | 2 | |
| #5 | Austria | 1 | |
| #6 | Canada | 1 | |
| #7 | Norway | 1 | |
| #8 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Civil engineering | |
| #3 | Mechanical elements | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Toys | |
| #2 | General building constructions | |
| #3 | Nails | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gronert Ronald | 7 |
| Publication | Filing date | Title |
|---|---|---|
| CH606660A5 | Building floor construction element | |
| US4024686A | Assembly building having floor elements supported between superimposed columns | |
| US3949516A | Toy building assembly |