| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 4 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Horticulture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brouwer Gerardus Johannes | 6 |
| #2 | Dyken John Van | 3 |
| #3 | Oussoren Klaas | 3 |
| #4 | Johannes Brouwer Gerardus | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL7907054A | Mobile machine for cutting sods. | |
| US3464641A | Sod rolling apparatus | |
| US3509944A | Sod cutting apparatus |