Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Graham Frank Barnes | Construction Tools Pc Ab | 10 |
| 2 | Graham S. Cattell | Apv | 2 |
| 3 | Peter J. L. Butcher | Vg Instruments Group Limited | 1 |
13 patents · 3 inventors
Ranked #47,534 of 111,555 cities Top 45%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Graham Frank Barnes | Construction Tools Pc Ab | 10 |
| 2 | Graham S. Cattell | Apv | 2 |
| 3 | Peter J. L. Butcher | Vg Instruments Group Limited | 1 |