Top Inventors at Product Design & Development All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Maurice E. Sterner, Jr. | 8 |
| 2 | Eugene F. Hickson | 1 |
| 3 | Howard Ecker | 1 |
| #4 | Robert Ecker | 1 |
| #5 | Warren S. Ecker | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Maurice E. Sterner, Jr. | 8 |
| 2 | Eugene F. Hickson | 1 |
| 3 | Howard Ecker | 1 |
| #4 | Robert Ecker | 1 |
| #5 | Warren S. Ecker | 1 |