Top Inventors at Letraset Limited All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | John V. Shepherd | 2 |
| 2 | Martin E. Dowzall | 2 |
| 3 | Brian J. Smith | 1 |
| #4 | David Horton | 1 |
| #5 | Eric M. Sutton | 1 |
| #6 | Geoffrey Richard Taylor | 1 |
| #7 | John S. Thornley | 1 |
| #8 | Ronald Collins | 1 |
| #9 | Simon L. Scrutton | 1 |