Top Inventors at The Planhold All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Frank S. Avella | 4 |
| 2 | Sigurd A. Johnson | 4 |
| 3 | Charles C. Matthews | 3 |
| #4 | Ronald Cram | 2 |
| #5 | Jerry A. Pederson | 1 |
| #6 | Robert JONES | 1 |
| #7 | Don William Fleischauer | 1 |
| #8 | Howard C. Knott | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Frank S. Avella | 4 |
| 2 | Sigurd A. Johnson | 4 |
| 3 | Charles C. Matthews | 3 |
| #4 | Ronald Cram | 2 |
| #5 | Jerry A. Pederson | 1 |
| #6 | Robert JONES | 1 |
| #7 | Don William Fleischauer | 1 |
| #8 | Howard C. Knott | 1 |