Patents per Year
Top Inventors at Ctb/Mcgraw-Hill All Time
Showing 1–11 of 11 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | David D. S. Poor | 7 |
| 2 | Sylvia Scheuring | 4 |
| 3 | Richard James Lee | 2 |
| 3 | Roger Creamer | 2 |
| #5 | Brad Hanson | 1 |
| #5 | David Deas Sinkler Poor | 1 |
| #5 | David Schultz | 1 |
| #5 | Darlene Waddington | 1 |
| #5 | Marge Petit | 1 |
| #5 | Molly Zebrowski | 1 |
| #5 | Sylvia Tidwell-Scheuring | 1 |
Most Valuable Patents
| Patent | Est. Value | Year |
|---|---|---|
| Linking articles to content via RFID | $80M | 2008 |
| Methods for range finding of open-ended assessments | $63M | 2003 |