Top Inventors at Centennial Machine Company All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Grover S. Harben, Jr. | 5 |
| 2 | James S. Ellis | 2 |
| 3 | Joe M. Emmett | 2 |
| #4 | Julius A. Ellis | 2 |
| #5 | Ronnie M. Conner | 2 |
| #6 | Charles Lee | 1 |
| #7 | Grover S. Harben, III | 1 |
| #8 | Raymond Gene Duncan | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Grover S. Harben, Jr. | 5 |
| 2 | James S. Ellis | 2 |
| 3 | Joe M. Emmett | 2 |
| #4 | Julius A. Ellis | 2 |
| #5 | Ronnie M. Conner | 2 |
| #6 | Charles Lee | 1 |
| #7 | Grover S. Harben, III | 1 |
| #8 | Raymond Gene Duncan | 1 |