Top Inventors at Douglas & Lomason All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Richard F. Johnson | 5 |
| 2 | Carl J. Holdampf | 4 |
| 3 | Dwight W. Presser | 2 |
| #4 | Lon L. Monsrud | 2 |
| #5 | Robert I. Homier | 2 |
| #6 | Stephen C. Bruck | 2 |
| #7 | Blaine Michael | 1 |
| #8 | Cathy A. DeVoss | 1 |
| #9 | Dale A. Hill | 1 |
| #10 | David Mulawka | 1 |
| #11 | Dean R. Ainsworth | 1 |
| #12 | Donald F. Marfilius | 1 |
| #13 | Gregory S. Miller | 1 |
| #14 | Karl E. Gierman | 1 |
| #15 | Larry B. Westphal | 1 |
| #16 | Michael S. Gignilliat | 1 |
| #17 | Paul R. Wright | 1 |
| #18 | Radesh Vangipuram | 1 |
| #19 | Roger E. Abitz | 1 |
| #20 | Robert R. Hudak | 1 |
| #21 | Robert H. Tsukayama | 1 |
| #22 | Steven J. Michell | 1 |
| #23 | Marshall E. Nemechek | 1 |
| #24 | Russell D. Bartling | 1 |
| #25 | Ashok K. Sahi | 1 |