Showing 1–15 of 15 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Michael H. Estkowski | Shepherd Products U.S. | 2 |
| 2 | Jack F. Clearman | R.J. Reynolds Tobacco | 1 |
| 2 | Bruce C. Trump | Zenith Radio | 1 |
| 2 | Larry S. O'Brien | Leco | 1 |
| 2 | Daniel A. Baker | Minntech | 1 |
| 2 | William F. Bleeke | Xolox | 1 |
| 2 | Donald E. Knoop | Whirlpool | 1 |
| 2 | Timothy C. Titus | Wells Manufacturing Company | 1 |
| 2 | Ralph M. Duttarer | Clark Equipment | 1 |
| 2 | Frances Y. Rhear | — | 1 |
| 2 | Richard P. Gaylord | Clark Equipment | 1 |
| 2 | Robert Kibler | Lambert Brake | 1 |
| 2 | Terry A. Perdue | Heath Consultants Incorporated | 1 |
| 2 | Frederick C. Greene | Herder, N.V. | 1 |
| 2 | Robert M. Weir | Whirlpool | 1 |
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