Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Roy E. VanDerLinden | Frederick Manufacturing | 2 |
| 2 | Robert B. Pond, Sr. | National Standard | 1 |
| 2 | Donald G. Busson | — | 1 |
| 2 | Roy E. Van Der Linden | Reliable Security Systems | 1 |
Part of Maryland
5 patents · 4 inventors · 3.8/1k pop.
Ranked #3,857 of 15,417 cities Top 30%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Roy E. VanDerLinden | Frederick Manufacturing | 2 |
| 2 | Robert B. Pond, Sr. | National Standard | 1 |
| 2 | Donald G. Busson | — | 1 |
| 2 | Roy E. Van Der Linden | Reliable Security Systems | 1 |
Part of Maryland