Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Frederick H. Perfect | Reading Alloys | 2 |
| 2 | Raymond M. Hemphill | Carpenter Technology | 1 |
| 2 | Tommy R. Hulsey | Construction Fasteners | 1 |
| 2 | Douglas S. Richart | Morton International | 1 |
| 2 | William J. Martin | Motorola | 1 |
Part of Pennsylvania