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USPTO Patent Rankings Data through Dec 31, 2025
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Darcy A. Downs — 1 Patent in 2017

EEEvolution Engineering: 1 patents #12 of 15Top 80%
Calgary, CA: #176 of 661 inventorsTop 30%
Overall (2017): #451,261 of 506,227Top 90%
1 Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9587441 Apparatus and method for coaxially joining components to resist relative rotational and longitudinal movement Aaron W. Logan, David A. Switzer, Patrick R. Derkacz, Justin C. Logan, Daniel W. Ahmoye +1 more 2017-03-07