Top Inventors at Spiveco All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | James R. Spivey | 4 |
| 2 | William J. Dee | 4 |
| 3 | William F. Brice | 3 |
| #4 | J. R. Spivey | 1 |
| #5 | A. Michael Porter | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | James R. Spivey | 4 |
| 2 | William J. Dee | 4 |
| 3 | William F. Brice | 3 |
| #4 | J. R. Spivey | 1 |
| #5 | A. Michael Porter | 1 |