Top Inventors at Discovery Zone All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Ronald G. Matsch | 8 |
| 2 | Duane R. Acker | 6 |
| 3 | Ralph Weimer | 5 |
| #4 | Richard J. Petersheim | 3 |
| #5 | James F. Gleeson | 2 |
| #6 | Bernard Gutterman | 1 |
| #7 | Grant M. Strawcutter | 1 |
| #8 | Joe L. Solling | 1 |
| #9 | Richard J. Walter | 1 |