Top Inventors at Playmaxx All Time
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Thomas J. Van Dan Elzen | 6 |
| 2 | Hans W. Van Dan Elzen | 4 |
| 3 | Donald F. Duncan | 1 |
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Thomas J. Van Dan Elzen | 6 |
| 2 | Hans W. Van Dan Elzen | 4 |
| 3 | Donald F. Duncan | 1 |