Top Inventors at Roberts Plypro All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Larry J. Mattson | 4 |
| 2 | James H. Sewell | 3 |
| 3 | Claude E. Monsees | 2 |
| #4 | David B. Dupes | 2 |
| #5 | Jesse Lee G. Plume | 1 |
| #6 | Richard T. Brothers | 1 |
| #7 | Ronald O. Simpson | 1 |
| #8 | Roy A. Tetreault | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Larry J. Mattson | 4 |
| 2 | James H. Sewell | 3 |
| 3 | Claude E. Monsees | 2 |
| #4 | David B. Dupes | 2 |
| #5 | Jesse Lee G. Plume | 1 |
| #6 | Richard T. Brothers | 1 |
| #7 | Ronald O. Simpson | 1 |
| #8 | Roy A. Tetreault | 1 |