Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Roger Danforth Bartlett | Sprint Communications | 8 |
| 2 | Russell A. Heinen | Schenck Process | 3 |
| 2 | Thomas A. Wallen | Hallmark Cards, Incorporated | 3 |
Part of Kansas
14 patents · 3 inventors
Ranked #7,248 of 41,385 cities Top 20%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Roger Danforth Bartlett | Sprint Communications | 8 |
| 2 | Russell A. Heinen | Schenck Process | 3 |
| 2 | Thomas A. Wallen | Hallmark Cards, Incorporated | 3 |
Part of Kansas