Top Inventors at Nortru All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Norman Foster | 6 |
| 2 | Edwin C. Zuerner | 5 |
| 3 | Robert R. Patzelt | 3 |
| #4 | Robert A. Patzelt | 2 |
| #5 | Thomas Randazzo | 2 |
| #6 | Donald Sims | 1 |
| #7 | Robert R. Petzeit | 1 |
| #8 | Robert R. Ratzelt | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Norman Foster | 6 |
| 2 | Edwin C. Zuerner | 5 |
| 3 | Robert R. Patzelt | 3 |
| #4 | Robert A. Patzelt | 2 |
| #5 | Thomas Randazzo | 2 |
| #6 | Donald Sims | 1 |
| #7 | Robert R. Petzeit | 1 |
| #8 | Robert R. Ratzelt | 1 |