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Douglas D. Olson

KC Krl Holding Company: 2 patents #1 of 6Top 20%
📍 Huntsville, AR: #1 of 2 inventorsTop 50%
🗺 Arkansas: #121 of 682 inventorsTop 20%
Overall (2019): #176,993 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10488134 Two-stage, drop-in trigger assembly Joe Beitelspacher 2019-11-26
10197353 Receiver with an ambidextrous bolt stop Karl R. Lewis, Michael Neff, Michael Nawrocki, John J. Smith 2019-02-05