Spearfish, SD ranks #14,931 worldwide for total patents filed in 2017, with 4 patents from 4 inventors. Leading employers of inventors based in Spearfish, SD include Sram. That works out to 0.3 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ryan Jennings | Sram | 1 |
| 1 | Jack T. Sears | — | 1 |
| 1 | OWEN ANDERS BRITTON | Sram | 1 |
| 1 | John Eppen | Sram | 1 |
Part of South Dakota