Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ralph D. Gwilliam | English Clays Lovering Pochin & | 1 |
| 1 | Peter W. Riley | English Clays Lovering Pochin & | 1 |
| 1 | Walter B. Jepson | Ecc International Limited | 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 | Ralph D. Gwilliam | English Clays Lovering Pochin & | 1 |
| 1 | Peter W. Riley | English Clays Lovering Pochin & | 1 |
| 1 | Walter B. Jepson | Ecc International Limited | 1 |