Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Donald L. Roberts | R.J. Reynolds Tobacco | 2 |
| 2 | Milton D. Machalek | — | 1 |
| 2 | Frederick W. Steudler, Jr. | Valco Companies | 1 |
| 2 | Robert J. Garrett | Imco Recycling | 1 |
Part of Pennsylvania
5 patents · 4 inventors
Ranked #9,331 of 30,730 cities Top 35%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Donald L. Roberts | R.J. Reynolds Tobacco | 2 |
| 2 | Milton D. Machalek | — | 1 |
| 2 | Frederick W. Steudler, Jr. | Valco Companies | 1 |
| 2 | Robert J. Garrett | Imco Recycling | 1 |
Part of Pennsylvania