Top Inventors at Pennsylvania Crusher All Time
Showing 1–14 of 14 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Carl R. Graf | 2 |
| 1 | Joseph P. Nigro | 2 |
| 3 | Bernard H. Schonbach | 1 |
| 3 | Charles S. Fleishman | 1 |
| 3 | Daniel C. Sautter | 1 |
| 3 | Fred Kramer | 1 |
| 3 | Frank Wallitsch, Jr. | 1 |
| 3 | Gregg Gill | 1 |
| 3 | James A. Johnson | 1 |
| 3 | John D Duke | 1 |
| 3 | Paul Raymond DeVitis | 1 |
| 3 | William F. Hahn | 1 |
| 3 | Edward J. Barnabie | 1 |
| 3 | Anthony W. Slikas | 1 |