Top Inventors at Digital Recorders All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Virgil D. Duncan | 3 |
| 2 | James D. Kennedy | 2 |
| 3 | John R. Rowlette, Jr. | 2 |
| #4 | William H. Miller | 2 |
| #5 | Joanne D. Alpiser | 1 |
| #6 | John R. Alpiser | 1 |
| #7 | Lyman Alden Copps | 1 |
| #8 | Tanya L. Johnson | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Virgil D. Duncan | 3 |
| 2 | James D. Kennedy | 2 |
| 3 | John R. Rowlette, Jr. | 2 |
| #4 | William H. Miller | 2 |
| #5 | Joanne D. Alpiser | 1 |
| #6 | John R. Alpiser | 1 |
| #7 | Lyman Alden Copps | 1 |
| #8 | Tanya L. Johnson | 1 |