Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Siba P. Ray | Aluminum Company Of America | 3 |
| 2 | Robert Weykamp | Aluminum Company Of America | 2 |
| 3 | Andrew B. Trageser | Aluminum Company Of America | 1 |
| 3 | Andrew Hinkle | Alcoa | 1 |
Part of Pennsylvania