Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Neal W. Westendorf | Westendorf Manufacturing Co. | 3 |
| 2 | Matthew N. Westendorf | Westendorf Manufacturing Co. | 2 |
| 3 | Mitch Gibler | Westendorf Manufacturing Co. | 1 |
| 3 | Joseph W. Langenfeld | Westendorf Manufacturing Co. | 1 |
Part of Iowa