Top Inventors at Ctb/Mcgraw-Hill All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | David D. S. Poor | 7 |
| 2 | Sylvia Scheuring | 4 |
| 3 | Richard James Lee | 2 |
| #4 | Roger Creamer | 2 |
| #5 | Brad Hanson | 1 |
| #6 | David Deas Sinkler Poor | 1 |
| #7 | David Schultz | 1 |
| #8 | Darlene Waddington | 1 |
| #9 | Marge Petit | 1 |
| #10 | Molly Zebrowski | 1 |
| #11 | Sylvia Tidwell-Scheuring | 1 |