| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Machines | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Planting | |
| #2 | Unspecified technologies | |
| #3 | Harvesting | |
| #4 | Motor vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Grover Melvin G | 7 |
| #2 | Freeman Carl D | 4 |
| #3 | Fuller Niles H | 3 |
| #4 | Herrett James W | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US5103623A | Apparatus and method for harvesting agricultural produce | |
| CA1133027A | Steerable wheeled assembly | |
| US4243154A | Seed planting machines | |
| US4221305A | Seed planting machines | |
| US4219208A | Steerable wheeled assembly |