Top Inventors at Profitable Entertainment Products All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Richard O. Norman | 6 |
| 2 | Sonja Norman | 6 |
| 3 | David Chamberlain | 4 |
| #4 | David Chamberlin | 2 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Richard O. Norman | 6 |
| 2 | Sonja Norman | 6 |
| 3 | David Chamberlain | 4 |
| #4 | David Chamberlin | 2 |