Top Inventors at H. Koch & Sons Co. All Time
Showing 1–20 of 20 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Charles E. Van Druff | 3 |
| 2 | Douglas G. Scheid | 2 |
| 2 | H. Gerald Gross | 2 |
| 2 | Mark Forster | 2 |
| 2 | Michael Happ | 2 |
| #6 | C. Leon Rhodes | 1 |
| #6 | Christopher Culbertson | 1 |
| #6 | Daniel H. Meggs | 1 |
| #6 | Eric Kawabata | 1 |
| #6 | Gary F. Bradley | 1 |
| #6 | Jason Smith | 1 |
| #6 | James C. Warrick | 1 |
| #6 | Joseph Byrne | 1 |
| #6 | Joseph R. Martin | 1 |
| #6 | John F. McNaughton | 1 |
| #6 | Mark W. Emory | 1 |
| #6 | Michael Duran | 1 |
| #6 | Stephen Oliver | 1 |
| #6 | Wade Anderson | 1 |
| #6 | Charles Van Druff | 1 |