JK

James J. Kempf

📍 Coralville, IA: #1 of 18 inventorsTop 6%
🗺 Iowa: #25 of 1,466 inventorsTop 2%
Overall (2016): #14,392 of 481,213Top 3%
7
Patents 2016

Issued Patents 2016

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9513080 Reverse style crossbow Rex E. Isenhower 2016-12-06
9377267 Shooting bow with transitional modules 2016-06-28
9372045 Adjustable multi-level archery quiver 2016-06-21
9291421 Assault rifle style mainframe barrel for a crossbow 2016-03-22
9255754 Crossbow lock mechanism 2016-02-09
9243861 Shooting bow with pulleys Rex E. Isenhower 2016-01-26
9234719 Shooting bow with pulleys 2016-01-12