Custer, SD ranks #50,825 worldwide for total patents filed all time, with 11 patents from 9 inventors. Leading employers of inventors based in Custer, SD include Alcatel Lucent. That works out to 5.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.
Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David Hansen | Alcatel Lucent | 3 |
| 2 | James C. Newberg | — | 1 |
| 2 | Walter Kroger | — | 1 |
| 2 | Harold Edward Clarambeau | — | 1 |
| 2 | Dale Engelmann | — | 1 |
| 2 | John Moisan | — | 1 |
| 2 | John O. Grady | — | 1 |
| 2 | John L. Schneller | — | 1 |
| 2 | Billy J. Parsons | — | 1 |
Part of South Dakota