Showing 1–25 of 25 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kevin L. Alft | Vermeer Manufacturing | 5 |
| 2 | Hans Kelpe | Vermeer Manufacturing | 3 |
| 3 | James W. Skinner | Press-Seal Gasket | 2 |
| 3 | Philip R. Lane | Vermeer Manufacturing | 2 |
| 3 | Rustin V. Bentzinger | Vermeer Manufacturing | 2 |
| #6 | Bruce Hagemeyer | Amesbury Group | 1 |
| #6 | Dean Whitten | Vermeer Manufacturing | 1 |
| #6 | David M. Wisniewski | The Dow Chemical | 1 |
| #6 | Jeff Bradley | L&L Products | 1 |
| #6 | Ted L. Hansen | Pella | 1 |
| #6 | Christopher Dean Rettig | Vermeer Manufacturing | 1 |
| #6 | Larry James Rumer | Vermeer Manufacturing | 1 |
| #6 | Mike Vander Hart | Vermeer Manufacturing | 1 |
| #6 | Patrick W. Brame | Pella | 1 |
| #6 | William R. Guthrie | Pella | 1 |
| #6 | Walter C. Wright | John Deere | 1 |
| #6 | Andrea Vanderhoff | Cargill, Incorporated | 1 |
| #6 | Matthew Arlen Mills | Vermeer Manufacturing | 1 |
| #6 | John Scharff | Pella | 1 |
| #6 | Brian John Bischel | Vermeer Manufacturing | 1 |
| #6 | Fred G. Delonti | Vermeer Manufacturing | 1 |
| #6 | Ronald L. Spoelstra | Pella | 1 |
| #6 | Dean A. Rennich | Pella | 1 |
| #6 | Dan Hawks | Vermeer Manufacturing | 1 |
| #6 | Michael J. Billingsley | Emco Enterprises | 1 |
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