Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | William R. Davis | National Steel Car Limited | 2 |
| 2 | Ronald Vahrmeyer | — | 1 |
| 2 | Richard Zulik | Tersano | 1 |
4 patents · 3 inventors
Ranked #10,539 of 30,730 cities Top 35%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | William R. Davis | National Steel Car Limited | 2 |
| 2 | Ronald Vahrmeyer | — | 1 |
| 2 | Richard Zulik | Tersano | 1 |