Top Inventors at Spicer Driveshaft All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | James A. Duggan | 5 |
| 2 | Douglas E. Breese | 3 |
| 3 | Christopher C. Cheney | 2 |
| #4 | Daniel E. Beitzel | 2 |
| #5 | Daniel W. Gibson | 2 |
| #6 | Albert Aiken | 2 |
| #7 | Blake T. Garretson | 1 |
| #8 | Boris A. Yablochnikov | 1 |
| #9 | Daniel C. Perry | 1 |
| #10 | Kellie L. Stevens | 1 |
| #11 | Scott A. Dunn | 1 |