Top Inventors at Contra Vision All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | George Roland Hill | 19 |
| 2 | G. Roland Hill | 18 |
| 3 | Samuel George Hill | 8 |
| #4 | Mark David Godden | 4 |
| #5 | Chris Parry | 2 |
| #6 | Gail Eaton | 2 |
| #7 | Robert Schroeder | 2 |
| #8 | Christopher Parry | 1 |
| #9 | Geroge Roland Hill | 1 |
| #10 | Howard Quinn | 1 |
| #11 | Roland G Hill | 1 |
| #12 | William Voss | 1 |
| #13 | Richard Cridland | 1 |
| #14 | Andrew Walter N. Clare | 1 |