JK

James J. Kempf

AI Archery Innovators: 4 patents #1 of 3Top 35%
📍 Coralville, IA: #2 of 27 inventorsTop 8%
🗺 Iowa: #45 of 1,684 inventorsTop 3%
Overall (2019): #24,900 of 560,194Top 5%
6
Patents 2019

Issued Patents 2019

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10514227 Multi-draw weight archery bow with cable timing Rex E. Isenhower 2019-12-24
10458742 Projectile launching device with self-timing and without cam lean Rex E. Isenhower 2019-10-29
10458743 Crossbow with built in cocking device Rex E. Isenhower, Dorge O. Huang 2019-10-29
10408560 Shooting bow with reduced limb travel Rex E. Isenhower 2019-09-10
10359254 Crossbow with built in electric cocking Rex E. Isenhower, Dorge O. Huang 2019-07-23
10215522 Adjustable trigger pull for a crossbow Rex E. Isenhower 2019-02-26