| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 11 | |
| #2 | Canada | 3 | |
| #3 | Switzerland | 3 | |
| #4 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Office furniture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Knoll Willy | 15 |
| #2 | Willy Knoll | 3 |
| Publication | Filing date | Title |
|---|---|---|
| CA261693A | Leather colouring process | |
| CA261692A | Leather ornamentation | |
| CA263525A | Leather upholstery |