JK

James J. Kempf

AI Archery Innovators: 7 patents #1 of 3Top 35%
📍 Coralville, IA: #1 of 25 inventorsTop 4%
🗺 Iowa: #16 of 1,785 inventorsTop 1%
Overall (2021): #16,937 of 548,734Top 4%
7
Patents 2021

Issued Patents 2021

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11156429 Crossbow with integral cocking worm gear driven spool Rex E. Isenhower 2021-10-26
11131524 Crossbow with integral cocking and a moving latch Rex E. Isenhower 2021-09-28
11112205 Projectile launching device with self-timing and without cam lean Rex E. Isenhower 2021-09-07
11022398 Projectile launching device with self-timing and without cam lean Rex E. Isenhower 2021-06-01
10996018 Cocking sled for a crossbow Rex E. Isenhower 2021-05-04
10989492 Archery cam shaft with integrated cable track Rex E. Isenhower 2021-04-27
10948257 Crossbow with built in cranking mechanism Dorge O. Huang, Rex E. Isenhower 2021-03-16