Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Michael A. Mason | Amsted Rail Company | 2 |
| 2 | James Hargraves | Amsted Rail Company | 1 |
| 2 | Richard Branzelle | — | 1 |
| 2 | Mark S. McCracken | — | 1 |
| 2 | Richard Kevin Barnhouse | Altria Client Services | 1 |
| 2 | Wilhelmina Branzelle | — | 1 |
Part of Virginia