Top Inventors at Jim Walter Resources All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Michael E. Londrigan | 4 |
| 2 | Claude C. White | 3 |
| 3 | Frederick Carr | 3 |
| #4 | Michael J. Skowronski | 2 |
| #5 | George Roland Hill | 1 |
| #6 | Larry C. Jordan | 1 |
| #7 | Richard K. Hallmark | 1 |
| #8 | William R. Huck | 1 |
| #9 | William D. Stephens | 1 |
| #10 | Michael Gauna | 1 |