Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Sidney John Vallans | — | 1 |
| 1 | John L. Greenhalgh | J.H. Fenner & Co. | 1 |
| 1 | Clifford Dennings | — | 1 |
3 patents · 3 inventors
Ranked #5,499 of 15,417 cities Top 40%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Sidney John Vallans | — | 1 |
| 1 | John L. Greenhalgh | J.H. Fenner & Co. | 1 |
| 1 | Clifford Dennings | — | 1 |