Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ian Macdonald Green | Central Research Laboratories Limited | 13 |
| 2 | Trevor G. Jappy | M-I L.L.C. | 3 |
| 3 | Sandy Ritchie | Hedley Purvis Limited | 1 |
17 patents · 3 inventors
Ranked #42,075 of 111,555 cities Top 40%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ian Macdonald Green | Central Research Laboratories Limited | 13 |
| 2 | Trevor G. Jappy | M-I L.L.C. | 3 |
| 3 | Sandy Ritchie | Hedley Purvis Limited | 1 |