Top Inventors at Portals Engineering Limited All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Christopher R. Eagle | 1 |
| 2 | David Glen Martin | 1 |
| 3 | Peter Pope | 1 |
| #4 | Robert M. Lewis | 1 |
| #5 | Roderick MacDonald | 1 |
| #6 | Philip Birtwhistle | 1 |
| #7 | Simon Webber | 1 |
| #8 | Anne Sutcliffe | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Christopher R. Eagle | 1 |
| 2 | David Glen Martin | 1 |
| 3 | Peter Pope | 1 |
| #4 | Robert M. Lewis | 1 |
| #5 | Roderick MacDonald | 1 |
| #6 | Philip Birtwhistle | 1 |
| #7 | Simon Webber | 1 |
| #8 | Anne Sutcliffe | 1 |