Top Inventors at Ethyl Petroleum Additives 1989
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | William Y. Lam | 3 |
| 1 | Andrew G. Papay | 3 |
| 3 | Rolfe J. Hartley | 1 |
| 3 | Joseph P. O'Brien | 1 |
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | William Y. Lam | 3 |
| 1 | Andrew G. Papay | 3 |
| 3 | Rolfe J. Hartley | 1 |
| 3 | Joseph P. O'Brien | 1 |