Top Inventors at The Pittsburg & Midway Coal Mining 1982
Showing 1–8 of 8 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Charles H. Wright | 3 |
| 1 | David K. Schmalzer | 3 |
| 1 | Raymond P. Anderson | 3 |
| #4 | Bruce K. Schmid | 1 |
| #4 | Dennis L. Milliron | 1 |
| #4 | Edward Earl King | 1 |
| #4 | James E. Junkin | 1 |
| #4 | Leonard J. Heavin | 1 |