Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Richard R. Baker | British-American Tobacco (Holdings) Limited | 5 |
| 2 | Thomas D. F. Appleyard | IBM | 2 |
| 3 | Russell Chaplin | IBM | 1 |
| 3 | Nicholas P. Hardacre | — | 1 |
9 patents · 4 inventors
Ranked #55,498 of 111,555 cities Top 50%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Richard R. Baker | British-American Tobacco (Holdings) Limited | 5 |
| 2 | Thomas D. F. Appleyard | IBM | 2 |
| 3 | Russell Chaplin | IBM | 1 |
| 3 | Nicholas P. Hardacre | — | 1 |