Top Inventors at The Pittsburg & Midway Coal Mining All Time
Showing 1–22 of 22 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Charles H. Wright | 3 |
| 1 | David K. Schmalzer | 3 |
| 1 | Raymond P. Anderson | 3 |
| #4 | Michael E. Prudich | 2 |
| #4 | Norman L. Carr | 2 |
| #4 | William G. Moon | 2 |
| #7 | Bruce K. Schmid | 1 |
| #7 | Dennis C. Kowalczyk | 1 |
| #7 | Dennis L. Milliron | 1 |
| #7 | Edward Earl King | 1 |
| #7 | James E. Junkin | 1 |
| #7 | Joseph D. Naylor | 1 |
| #7 | Joseph J. Svoboda | 1 |
| #7 | John V. Ward | 1 |
| #7 | Krishnia Parimi | 1 |
| #7 | William E. King | 1 |
| #7 | Leonard J. Heavin | 1 |
| #7 | Walter A. Braunlin | 1 |
| #7 | Bruce A. Bricklemyer | 1 |
| #7 | Leo J. Jaehnig | 1 |
| #7 | Clifford J. Moskal | 1 |
| #7 | Alan Gorski | 1 |