Top Inventors at Ash Grove Cement 1997
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Eric R. Hansen | 2 |
| 1 | James R. Tutt | 2 |
| 3 | Gregory S. Barger | 1 |
| 3 | Michael P. Heap | 1 |
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Eric R. Hansen | 2 |
| 1 | James R. Tutt | 2 |
| 3 | Gregory S. Barger | 1 |
| 3 | Michael P. Heap | 1 |