Top Inventors at National Metal Refining All Time
Showing 1–11 of 11 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Frank J. Matusik | 7 |
| 2 | Donald W. Nelson | 5 |
| 3 | J. Vincent Fitzgerald | 3 |
| 3 | John L. Batton | 3 |
| 3 | John V. Fitzgerald | 3 |
| #6 | Teresa M. Walsh | 2 |
| #7 | Edmond J. Dougherty | 1 |
| #7 | John L. Schrag | 1 |
| #7 | John R. Stone | 1 |
| #7 | John S. Vilichka | 1 |
| #7 | Gerard Scheider | 1 |