Top Inventors at Crh Oldcastle All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | John A. Fifield | 5 |
| 2 | Gary Lee Manlove | 3 |
| 3 | Stanley Sherman Bane | 3 |
| #4 | Barry H. Bamber | 1 |
| #5 | Bridget A. Terry | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | John A. Fifield | 5 |
| 2 | Gary Lee Manlove | 3 |
| 3 | Stanley Sherman Bane | 3 |
| #4 | Barry H. Bamber | 1 |
| #5 | Bridget A. Terry | 1 |