Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Willis R. Campbell | Sperry | 4 |
| 2 | Thomas L. Stiefvater | New Holland North America | 3 |
| 3 | Richard L. Stuck | Dana Limited | 2 |
| 3 | Gary L. Weaver | Swa Holding Company | 2 |
| #5 | John L. Homan | Unisys | 1 |
| #5 | David D. Hedstrom | Jerr-Dan | 1 |
| #5 | Ricky Loose | Dorma Door Controls | 1 |
Part of Pennsylvania