JK

James J. Kempf

BL Barnett Outdoors, Llc.: 1 patents #2 of 2Top 100%
📍 Coralville, IA: #1 of 21 inventorsTop 5%
🗺 Iowa: #96 of 1,331 inventorsTop 8%
Overall (2025): #59,357 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12379180 Crossbow with de-cocking crank mechanism having sprockets David A. Barnett 2025-08-05
12247803 Crossbow with inertia brake cocking device 2025-03-11
12215954 Cranking mechanism 2025-02-04