Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Richard W. Griencewic | Gateway Consultants Group | 5 |
| 2 | Paul R. Kayl | Gateway 2000 | 4 |
| 2 | Frank W. O'Neal, IV | Gateway Consultants Group | 4 |
| 2 | Jeremy Poulsen | — | 4 |
| #5 | John Philip O'Mara | — | 1 |
| #5 | Boyd N. Brinson | Freezing Machines | 1 |
Part of South Dakota