Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Henry F. Hope | Hope Industrial | 7 |
| 2 | William D. Emmons | Rohm And Haas | 3 |
| 2 | Robert H. Johns | Allegheny Ludlum | 3 |
| #4 | John C. Bowen | Ametek | 2 |
| #5 | Edward J. McQuillen | US Air Force | 1 |
| #5 | L. Raymond Jones, Jr. | Electro-Nite | 1 |
| #5 | Ray R. Petersen | Metpro | 1 |
| #5 | David D. Deibert | — | 1 |
| #5 | Ellis I. Toder | Inpro | 1 |
| #5 | Robert F. Zecher | — | 1 |
| #5 | John E. Ullman | The Mead | 1 |
Part of Pennsylvania