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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John Eppen — 2 Patents in 2019

SRSram: 2 patents #6 of 43Top 15%
Spearfish, SD: #1 of 6 inventorsTop 20%
South Dakota: #17 of 258 inventorsTop 7%
Overall (2019): #157,819 of 560,194Top 30%
2 Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10279864 Bicycle power meter John Collen, Ryan Jennings, OWEN ANDERS BRITTON, Scott McLaughlin 2019-05-07
10184849 Bicycle power meter Ryan Jennings, OWEN ANDERS BRITTON, Jesse Parker 2019-01-22